Events in Colorado

Valley 5000

Into the Hills Eltuck 5k

TBK Bank Thirsty 13 Half Marathon

Continental Divide Trail Run

Eltuck Valley 12K - Lory Summer Trail Series

10k at 10,000 Feet

Oak Creek No Fun Run

Labor Day Half Marathon

Cirque Series - Arapahoe Basin, CO

Denver Rocks Run 5K/10K

RMRR September Trophy Series

Conservation Colorado 5k

Parker Parks and Recreation So Long to Summer 5K/10K

Autumn Run

Beulah Challenge and OverIt Series

Pikes Peak Ascent

6th ANNUAL PAUL'S MYSTERY SHIP WALK TO END ALS

Flyin' Lion 5K

Pikes Peak Marathon

19th Annual Golden Gallop

Farmers 5000

Emerald Mountain Trail Run

Sawatch Ascent

Not So Flatt Breast Cancer Awareness Run/Walk

RMRR October Trophy Series

Manitou 5K

The Long View Marathon

Westy Half & 5k

2025 DU Crimson Classic 5K Run/1.5 Mile Walk

Apex Foundation Trick or Trot 5K & Kids' Halloween Hunt

Foundry Halloween 5k

Ghosts and Goblins 5K/10K

Colorado 24 Hour Run

RMRR November Trophy Series

Alamosa Veterans Memorial Park Race

Bell Ringer 4 Miler

Pumpkin Pie 5K/10K

Parker Parks and Recreation Turkey Day 5K FUN Run/Walk

Huffin' for Stuffin' 2-Mile Fun Run

Chasing Santa 5k/Cycling Santa Toy Drive           Presented by:                            Springs Law Group

RMRR December Trophy Series

Santa's Dash for Ca$h

Ugly Sweater 5K

50 States Half Marathon Club General Membership

Fifty States Half Marathon Club Life Membership

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All-Out Mardi Crawl

2025 Team CKF Running Series

Get ready to lace up for the adrenaline-pumping 42nd Valley 5000! As the excitement builds, join over 300 runners hitting the pavement in a quest to conquer Mehaffey Park on August 30, 2024. With the challenge split between a spirited 1-mile dash starting at 5pm and a thrilling 5K race kicking off at 6:30pm for elites (and 6:35pm for the community), there’s a pace for every race enthusiast. Plus, with every stride, you're championing a noble cause by supporting the House of Neighborly Services in their fight against poverty. So whether you're gunning for glory in the elite wave or just soaking in the community vibes, an unforgettable experience awaits!    Don't miss out on securing your spot early! Roll through the pre-race packet pickup on Thursday, August 29th, but remember—5:30pm's the magic hour. And if you're all about the last-minute hustle, you can snag your packet 45 minutes before your race starts at the park. Make this your summer highlight—run solo or double-dip with both the 1-mile and 5K. Let’s make some memories!

Sweetheart City Racing 

Get ready to hit the trails this August with our exhilarating series of midweek races! Whether you're a seasoned trail blazer or just starting to explore off-road running, our series is the perfect playground for all. With race distances ranging from a brisk 5k to a more challenging 12k, each event promises a unique blend of scenic climbs and heart-pounding descents, kicking off at 6:00 pm sharp. Feel the rush of competition with chip-timed results and accumulate points towards awesome series awards.    But it's not all about the race; it's about the community and the fun that ensues post-run. Imagine crossing the finish line and being greeted with the savory aroma of fresh pizza, courtesy of Fort Collins Running Club, and refreshing beverages from New Belgium Brewing. And don't forget to grab your piece of the action with our vintage Gnar race shirts up for grabs! Join us for an unforgettable August where your swift feet meet wild trails.

Gnar Runners 

Get ready to hit the ground running at the Thirsty 13 Half Marathon, our epic Colorado race now celebrating its 11th year! This isn't just any run-of-the-mill event; it's a journey through breathtaking landscapes, with a swift course that welcomes first-timers and seasoned half-marathoners chasing personal bests. Picture this: you're crossing that finish line, and what awaits is no regular medal ceremony—it's a full-blown celebration at Durango's beloved Ska Brewing! And the party doesn't stop there; it spills into the San Juan Brewfest, where the exhilaration of the race meets the joy of post-run revelry. Lace-up for an unforgettable experience where every stride brings you closer to a triumphant beer-filled bash!

RunSignup

Get ready to hit the trails running with our heart-pumping trail races through the breathtaking terrain of Steamboat Springs, Colorado! Whether you're up for a brisk 5-mile jaunt, ready to take on 16 miles of pure adrenaline, or prepared to conquer the ultimate 50K challenge, we've got a distance for every level of endurance enthusiast. With the Rockies as your backdrop, you'll traverse rolling hills, lush forests, and wide-open meadows, all while pushing your limits and soaking in the incredible scenery. Don't just run – elevate your racing experience where the earth meets the sky. Lace-up, set your sights on the finish line, and let Steamboat Springs be the ground where you shatter your personal best!

Steamboat Springs Running Series

Step into your running shoes and mark your calendars for an exhilarating summer of trail races, happening every Wednesday in August at Lory State Park! Whether you're itching to race against the clock or just want to enjoy a scenic run, our series is perfect for trail enthusiasts of all levels. With distances spanning from an approachable 5k to an adventurous 12k, you'll blaze through trails with varying elevations that promise to challenge and thrill. Come for the run, stay for the fun as we dish out vintage race shirts, serve up hot pizza, and cool down with refreshing beverages post-race. It's not just about the finish line – it's the friendship, the community, and the unforgettable summer evenings that await you!

Get ready to experience the most stunning 10k run that Colorado has to offer! This race will take your breath away, and not just with its rigorous trail and elevation changes. Kicking off at a sky-high 10,000 feet, you'll ascend even further amidst the beauty of Rabbit Ears Pass, before plunging down thrilling dirt roads and single-track paths, with a total elevation shift of around 1,200 feet. And we go the extra mile—literally—our 10k is actually 6.8 miles, ensuring you get more of those incredible views. Just remember to come prepared with water, although we've got you covered with an aid station halfway through. This is not just a run; it's a true Colorado adventure!

Get ready to lace up those sneakers for an exhilarating 5K journey through the heart of Oak Creek! We're thrilled to bring back the Oak Creek No Fun Run to our Running Series. Not only is this the perfect chance to honor the memory of Larry Brooks – an inspirational figure in our running community – but you're also contributing to an amazing cause as we support the Colorado Alzheimer's Association with the event's net proceeds. Imagine cruising down the roads and soaking in the breathtaking vistas of Oak Creek Mountain Park, all culminating in a festive dash across the finish line, right before the iconic Oak Creek Labor Day Parade kicks off. What a way to celebrate fitness, legacy, and community spirit!

Get ready to send off summer with a bang at the Labor Day Half Marathon, right in the heart of Parker's Salisbury Park! Just a stone's throw from Denver, we've lined up a half marathon, 10K, and 5K for every level of ambition. Imagine cruising by the picturesque Cherry Creek - flat, fast, and maybe the ticket to your next personal best! But hey, if you're all about the joy of the run, we're here for it. No matter your pace or experience, if you're up for a walk or ready to race, you're one of us. Let's make this Labor Day unforgettable!

Dive into an adventure like no other with the Cirque Series at Arapahoe Basin! Push your limits across 8.8 thrilling miles, climbing a breathtaking 2,411 feet. Whether you're a Sport, Expert, or Pro, fantastic prizes await at each finish line – with cold hard cash for the pros and top-notch gear for the experts and sports enthusiasts. Plus, exclusive PEAK FREAK belt buckles for overall season standouts and special awards like the Grom Award for the youngest challenger and the OG Award for the wisest, ensuring every participant can be a winner!    But remember, spots are capped at 600 runners, so secure your place early! Every bit of the race is timed to perfection, ensuring your effort is accurately captured. And while you're striving for personal bests and communal triumph, we're committed to respecting the stunning natural surroundings – no littering and leave no trace are part of the ethos. Ready to join? Make your mark in this incredible race series – sign up, transform your fitness with our expert training plans, and run for glory! 🏃‍♂️💨

Cirque Series

Get ready to lace up and rock out at the 4th Annual Denver Rocks Run! This isn't your average 5K/10K - it's a full-on celebration of Denver's dynamic vibe, happening on September 7, 2025, at the scenic City Park.    Imagine sprinting with Denver’s skyline in view and rock anthems pushing your pace. And that's just the start! Cross the finish line and dive into an unforgettable post-race bash featuring live rock music, mouthwatering grub, and a complimentary beer for those 21 and over. Your race kit includes a snazzy Denver Rocks Run tee, a shiny finisher medal, and an option to snag discounted Rockies game tickets. Gear up for a day of endorphins, entertainment, and encores - this event promises to resonate long after the last note fades!

Gameday Run Series

Get ready to lace up your running shoes for the Rocky Mountain Road Runners monthly Trophy Series! We're all about bringing you a friendly, low-cost race experience right here in Denver. Whether it's your first run or your hundredth, we love to see new faces.    Imagine a 10k race where you have a real shot at crossing the finish line first, thanks to our handicap start system. Not as fast as the rest? No worries, you'll get a head start! If you're speedier, you'll enjoy the thrill of the chase. And for those looking for a shorter run, join our 5k crowd starting just a bit later.    Come down to Riverdale Ballfields bright and early to grab your bib and get warmed up. With plenty of parking and a scenic route that's a mix of paved and smooth gravel paths, it's the perfect start to your race day. Don't miss out on the fun—with a chance to win no matter your pace!

Rocky Mountain Road Runners

Embark on an exhilarating adventure through the heart of Denver's Central Park in our inaugural event! Whether you're sprinting, strolling, dancing, or walking, you'll cover a scenic 3.1-mile course that's fully welcoming to strollers and pets. It's not just a race; it's a celebration of the fresh air we cherish and strive to protect. Regardless of your fitness level or where you come from, this fall, you're invited to be a part of a vibrant community embracing health, diversity, and the great outdoors. Join us and make your mark on a trail where every step counts!

Wave goodbye to summer with a bang at the 'So Long to Summer 5K/10K'! Lace-up for a run that's all about bringing people together to enjoy the last of the sun's warmth. Immerse yourself in the scenic Salisbury Park on September 21, 2024, with start times at 8 a.m. for the 10K and 8:05 a.m. for the 5K.    Feel the rush of crossing the finish line and then dive into a scrumptious pancake feast, courtesy of Flippin' Flapjacks, and hoist a beer from Fiction Beer Company to celebrate your accomplishment (cheers if you're 21+!). It's not just a race; it's a festival vibe with a side of athletic challenge. Your effort supports the Town of Parker Scholarship Program, making a difference while you stride. Grab your spot before September 7 for lower prices, and remember, the fun doesn't stop with the adults – a FREE Kids' Dash for the young ones follows the main event. No need for tiny sneakers to sign up; just dash to the start line!

Parkerrec

Are you ready to be part of an unforgettable experience? Join us for a day where adrenaline, excitement, and community spirit unite! Our mass participation sports event is your opportunity to push your limits, meet new friends, and create memories that will last a lifetime. Don't miss your chance to shine and show what you're made of. Get all the details on our vibrant website and secure your spot. It's more than a competition; it's a celebration of passion, perseverance, and personal triumph. Let's make history together!

One Love Endurance Events

Get ready to lace up your sneakers for the exhilarating Beulah Challenge! Since 1996, this cherished event has inspired runners to conquer distances amidst the awe-inspiring landscapes of southern Colorado. Whether you're up for the half marathon beginning at 8:00 a.m., the 10K at 9:00 a.m., or the family-friendly 5K at 9:15 a.m., there's a race for you to embrace the great outdoors. The routes wind through Beulah Valley's striking paved and gravel roads, with the half-marathon pushing boundaries through the rugged Pueblo Mountain Park trails. Imagine running with the backdrop of the majestic Wet Mountains, breathing in that crisp mountain air – this is your chance for glory, surrounded by nature's wonders! And for the young and bold, runners 17 and under can join the 5K or 10K at a special discounted rate. Looking for more thrills? The half-marathon is also part of the electrifying Over It SOCO Race Series! Make history, push your limits, join us at the Beulah Challenge!

Are you ready for the thrill of a lifetime? Push your limits with a 13.32-mile journey boasting a staggering 8,000ft ascent straight up to Pikes Peak's summit. The legendary route from Manitou Springs is not just a race; it's a heroic feat awaiting the bravest of runners!    Before you lace up, prove you're up to the task with a mandatory Qualifying run – your ticket to this exclusive challenge. Check out the Qualifications page for all the details and prepare to conquer the ultimate peak in athletics!

Pikes Peak Marathon 

Join us as we embark on a heartfelt journey with the "Paul’s Mystery Ship to End ALS" event, a beacon of hope on the tumultuous seas of ALS. Born from the loss of Paul Dannels to this relentless disease, we are on a mission to chart a course towards a world free from the shackles of ALS.    The voyage we undertake is filled with compassion, offering support, equipment, and scholarships to those navigating the daily challenges of ALS. Our collective strides contribute to vital global research, forging a path to a cure, and ensuring no one sails these waters alone.    As we prepare for the 4th Annual Walk to End ALS, your steps alongside us aren't just a march; they're a roar against the waves of hardship ALS creates. With every ticket sold, every participant registered, you are the wind in our sails powering monumental change. Together, let's turn the tide on ALS, once and for all.

Get ready to unleash your inner champion at the Flyin' Lion 5K! This is not just any run—it's a high-energy kick-off to the homecoming week at Littleton High School. Every stride you take supports the Lions Sports Booster Club, the lifeblood for our school's athletic programs. Rallying parents and administrators together, we're all about creating the best experiences for our athletes. So lace up, show your pride, and let the roar of Littleton's spirit carry you to the finish line!

Right Start Events, LLC

Get ready to conquer America's Ultimate Challenge – the iconic Pikes Peak Marathon! With every step, test your limits as you race to the summit on an exhilarating trail that only the bravest dare to tread. Take note, before you can claim your spot at the starting line, you'll need to prove your mettle with a Qualifying run. It’s not just about speed; it’s about the will to reach the top. Check out the Qualifications page to see if you’ve got what it takes to join the legends of Pikes Peak. Are you up for the challenge?

Get ready to hit the ground running at the 18th Annual Golden Gallop, the heartbeat of Golden, where we celebrate fitness, fun, and community spirit! Be part of something special on Sunday, September 18, 2023, and race through beautiful downtown Golden, starting and ending at Golden High School. With choices of a 5K, 10K, a Sleep In/Virtual option, and a Kids Fun Run, there's something for every pace and age!    Exciting news for our pet-loving runners - well-behaved dogs are welcome this year as well! Just remember to register your pooch for some awesome race swag and start at the back with the pushchair gang. Let's not forget the serious bragging rights and cash prizes up for grabs for top finishers in various categories, plus bonus rewards for setting a new course record!    Boost your race experience with FREE professional 5K training when you register by August 16th. Join us for a race that's more than just a run - it's an adventure in a one-of-a-kind town. Sign up, set your goals, and make your mark in the Golden Gallop, where the west runs wild and free!

Get ready to lace up for a tradition of fitness, fun, and philanthropy with the Farmers 5000 – a cornerstone event in Colorado since 1981! Join racers of all strides in front of Wheat Ridge High School and take on a course that weaves through the heart of the community. Whether you're a certified speedster or a weekend jogger, this race is about more than just breaking a sweat; it's about supporting educational programs and fostering school spirit. Every cent of your registration fee fuels the school's diverse offerings, keeping the Farmers' legacy alive. And with a separate 1K Fun Run, there's a spot for every member of the family to be part of this enduring celebration!

Get ready to push your limits and join the thrilling culmination of the SSRS pointed season with our spectacular race on Emerald Mountain! As the series draws to an exhilarating close, be there to witness the crowning of the champions and bask in the glory as winners collect their hard-earned awards.    Choose your challenge with two captivating distances – a 12k journey that clocks in closer to 7.75 miles, or tackle the 4-mile sprint. Immerse yourself in the beauty of nature as you race through the aspen-lined single track, starting from the iconic Howelsen Hill base. And remember, we embrace the spirit of inclusivity – hikers, lace up for the 12k adventure!    Best of all, as you give it your all, you’re supporting a phenomenal cause – with every step, sprint, and hike, you’re raising vital funds for Northwest Colorado Health. Get set, go make a difference!

Dive into a thrilling high-altitude adventure with the iconic Colorado 50k! This vert-packed race will have you bounding along the Colorado Trail, reaching an exhilarating 13,150 feet. Starting at Mount Princeton's base, you're in for breathtaking views of the Sawatch Range and the Arkansas River Valley. The course features a relentless 7,000-foot climb followed by an equally challenging descent, with 25 miles of pristine singletrack. It's a runner's paradise, especially for those seasoned in mountain races, amplified by the picturesque changing aspen leaves and ideal fall weather.    Set for September 29th, 2024, you've got 11 hours to conquer the course, with aid stations brimming with refreshments and surprises. Camp at the start/finish for a front-row seat to the action, but hurry – spots are limited! Registration varies by month, and perks include a medal, shirt, Laws Whiskey, professional photos, and a post-race BBQ. Save a few bucks by opting out of the swag during sign-up. Up for even more? Tackle the Sawatch 50/50 for an extraordinary feat! Remember, deferrals are possible before September 1st. Get ready to elevate your running game amidst Colorado's majestic peaks!

Sawatch Ascent 50k

Stride with purpose at the Not So Flatt Breast Cancer Awareness Walk and Run – a vibrant tribute to warriors like my dad, who valiantly battled breast cancer. This isn't just a race; it's our annual beacon of hope and solidarity for everyone touched by this fight. As his legacy unfolds on the tracks, your involvement echoes a deeper commitment, aiding the Breast Cancer Research Foundation with every step we take together.    Rally up for the perks too! Your early commitment before September 15th gets you a sweet deal on registration, ensures your preferred shirt size awaits, and lands a race kit with goodies at bib collection. And yes, there's bling! Finishers shine with medals, because crossing that line is more than physical – it's personal victory. Got ideas or queries? Our contact form is your direct line to us – let's make this event unforgettable.

Get ready to lace up for the Rocky Mountain Road Runners' Trophy Series, your monthly dose of exhilaration set in the scenic Denver area! We're all about inclusive, affordable racing fun, where every runner, no matter the pace, has a shot at the winner's circle.    Experience the thrill of our unique 8-mile race with a handicap start system, creating a staggered, fair, and super engaging competition. And don't worry about being speedy – we time everyone just right so you're running with peers your own pace. Our 5k crowd hits the trail about 15 minutes after the first 8-milers, adding to the day's excitement.    October's race is at Star K Ranch, Aurora, alongside the natural, mostly dirt trails of the Sand Creek. Remember: show up 30-45 minutes before the 8:30 am start to snag your bib and limber up. Ready for a downhill finish that'll have you flying across the line? Join us and feel the rush!

Get ready to hit the ground running at the first-ever Manitou 5K - where every step celebrates the splendor of Manitou Springs! Picture this: your race kicks off in scenic Fields Park and guides you along a tranquil creek, surrounded by inspiring local art. With a route that's as flat as a pancake, everyone can join – whether you're sprinting or strolling, solo or shepherding your family and friends. Plus, sport a unique T-shirt designed by MSSD14 art students as you help raise funds for Manitou Springs School District. Ready, set, race for a cause!

Ready to experience the beauty of Colorado in the most exhilarating way possible? We're talking about the marathon and half marathon from Fort Collins to Loveland — a runner's dream come true! Kick off the marathon at the scenic Edora Park or begin your half marathon journey at the lush Fossil Creek Park, both culminating in a triumphant finish at Fairgrounds Park in Loveland. But it's not just about the start and finish; as you race, you'll be treated to breathtaking mountain vistas and the charm of the newly minted Long View and Front Range bike paths. Slip into your running shoes and let the majestic landscapes of Colorado fuel your every stride!

Longviewmarathon

Get ready to lace up and let loose at the Westy Half this October, where every sprint, jog, and stride is celebrated with a shiny MEDAL waiting at the finish line! Big news: we're taking it back to the roots this year, bringing the event back home to the iconic Westminster Promenade for both the Westy Half Marathon and the 5k dash. Whether you’re a seasoned marathoner or a weekend walker, this is your moment to shine. All abilities, all paces, all are welcome to join the fun! So, are you ready to claim your medal?

Get ready to lace up your running shoes for the University of Denver's 12th Annual Crimson Classic 5K Run and 1.5 Mile Walk! Join us on the scenic Carnegie Green Lawn on October 18, 2024, at 3 pm for an afternoon packed with wellness, community, and Homecoming weekend celebrations. Whether you're in it to set a new personal record or to enjoy a pleasant walk, the Crimson Classic is the perfect event for everyone. And the best part? It's absolutely free, with music, games, and snacks starting at 2:15 pm to get you in the spirit. Don't miss out on your complimentary event t-shirt by registering early. Embrace the energy, share the excitement, and let's make this a day to remember! #DUCrimsonClassic

Get ready to lace up your sneakers and don your costumes for the Apex Foundation's 4th Annual Trick or Trot 5K! We've been crowned the Best of the Best in Arvada for Non-Profit Events, and we can't wait for you to join the fun. Whether you're a runner, a walker, or a Halloween enthusiast, this event is for everyone! Compete for the spookiest, funniest, or most original costume and you might just jog away with an awesome prize.    Hey, little ghouls and boys! Don't miss the 1-mile Trick or Trot Candy Hunt - it's all about the sweets and smiles for kids 12 and under. And for the grown-ups, every registered 5K participant scores a swag bag, an exclusive event giveaway, and the chance to win even more prizes. Let's not forget, while we're having a blast, we're also supporting the Apex Park and Recreation District, making recreation accessible for all. Get set for a fang-tastic time!

Apex PRD Foundation

Get ready to lace up those sneakers, slip into your spookiest costume, and hit the scenic trails of Steamboat Springs in the season's most exhilarating Halloween run! Join us as we close out the Running Series season with a bang, where fun meets fitness and everyone, young or old, can indulge in the thrill of the race and the joy of Halloween—without the hangover. The Foundry Treatment Center champions this event, blending recovery with recreation in the heart of the majestic Rockies, a backdrop that nurtures both body and spirit. With a course that weaves through both trail and road and dogs welcome to trot alongside, it's a family affair that doesn't stop at the finish line. Post-race, it's all treats, no tricks with homemade goodies, face painting, apple bobbing, and games galore. Don't miss out on the fun—this is where community, costumes, and celebration converge!

Get ready to kickstart your holiday festivities with a burst of energy at the Ghosts & Goblins 5K/10K! Whether you're looking to set a new personal record or just want to walk and have fun with friends, this family-friendly event at Denver’s City Park is the perfect setting. Cross the finish line and not only will you feel the accomplishment, but you'll also be rewarded with an exclusive finisher’s medal, a themed shirt to remember the day, and plenty of food and drinks to refuel. Don't miss out on the festive vendor village and the chance to cheer the top runners as they receive their well-deserved awards. Let's make unforgettable memories—one stride at a time!

Get ready to push your limits at the Colorado 24 Hour Run—a race where the challenge meets endurance! It's not just a run; it’s a community experience where you choose your adventure. Whether you want to tackle a 6, 12, or 24-hour run, or set a new personal record for the marathon or ultra distances, we've got you covered with a stunning 1-mile dirt loop that's a treat for your feet and a feast for your eyes.    Join us day and night to run, cheer, and hit those personal milestones together. After the race, indulge in a post-race celebration that’s as fulfilling as your achievement—with great food and even greater stories. Trust us, this is one running event you won't want to skip!

Get ready to lace up those sneakers for a thrilling chase at the Rocky Mountain Road Runners monthly Trophy Series! Whether you're in for a challenge or here for the joy of the run, our down-to-earth, wallet-friendly races have something for everyone. With a handicap start, our 15km race is a unique spin, giving all levels a shot at victory, while we sync your speed to others like you for a fair and exciting start.    For those who prefer a brisker jaunt, our 5k starts shortly after, ensuring all runners are part of the action. This November, take on the scenic trails of Denver's Prairie Gateway Open Space Park, with a choice of distances to suit your stride. Remember to show up with a spring in your step 45 minutes early — plenty of time to snag your bib, stretch those legs, and soak up the pre-race buzz. It's not just a race; it's a community on the move!

Get ready to lace up for a cause that honors our heroes—the 3rd Annual Veterans Memorial Park Race is here! This exhilarating event not only marks the beginning of Veteran's Week but also raises funds for Alamosa's Veterans Memorial Park. Choose your challenge with both 5k and 10k race options, taking off from the Alamosa Family Recreation Center.    Whether you're a seasoned runner or prefer a leisurely stroll, this race is for all paces and faces—walkers, runners, and even strollers! Bring the whole family to experience the thrill, support our vets, and enjoy a lively atmosphere with food, drinks, and an awards ceremony after crossing the finish line. Join us, and be part of a community that runs together for a shared purpose. Your participation means more than just a race; it's a tribute to those who've served, complete with a long sleeve running shirt and much-deserved post-race refreshments. Let's hit the pavement for our veterans!

Gear up for a one-of-a-kind event that pays heartfelt homage to our veterans! Loveland's unique tradition of ringing bells at dawn on Veterans' Day is being echoed in this special race that brings our community together. It's more than just an event; it's a powerful salute to those who've served our nation. By participating, you're not just running for your health, you're contributing to the Loveland Colorado Veteran's Assistance program through Post 2000. So lace up, bring your family, and get ready to celebrate our heroes in a way that truly resonates with the Loveland spirit!

Get your running shoes ready for the Pumpkin Pie 5K/10K, our annual holiday tradition that's both flat and fast! Taking place at the scenic City Park in Denver, Colorado, this isn't just a race; it's the perfect way to kick off your holiday season with a dash of fun for the whole family. Cross the finish line and reward yourself with a scrumptious slice of pumpkin pie. Plus, you'll snag some awesome race swag, including custom chip timing, a stylish race logo shirt, and a shiny finisher's medal. After your triumph, join the post-race celebration at our finish line expo packed with vendors and tasty food!

Get ready to gobble up the fun at the Turkey Day 5K Fun Run/Walk! This beloved Thanksgiving Day tradition is perfect for the whole family to celebrate, get moving, and enjoy a festive workout together. With waves starting from 8:00 to 8:15 a.m. on November 28, 2024, join us at the Parker Recreation Center for a memorable start to the holiday. For just $34, you get to join the fun, get an awesome commemorative item, a souvenir race bib, and delicious hot beverages to warm up your spirits! Just a heads up, this event isn't about your race time – it's about the good times. Push those strollers right up to the start, but let's keep the pets and wheels at home for everyone's safety. Plus, you're running for a cause—to support the Town of Parker Scholarship Program! Rain, snow, or shine, we're running full swing – no refunds, only pure holiday cheer!

Get ready to lace up for a heartwarming Thanksgiving dash that's all about fun, community, and giving back! Start your Turkey Day with energy and excitement at our 2-mile fun run at the picturesque Mehaffey Park. Feel the beat with lively music, flaunt your festive outfits, and run or walk alongside fellow enthusiasts. Collect your exclusive campfire mug and race bib to commemorate the day—plus add a snazzy shirt during sign-up. We're all about sharing the love, so bring along food donations for KidsPak and know that your participation helps fill more than just your heart. Grab your crew because groups score a sweet discount. Choose from two start times: an early bird 8am or a second wave at 8:30am. Packet pickup is the evening before, so plan ahead. Keep your eyes peeled for more details. It's going to be unforgettably good!

It's the season of giving and what better way to spread cheer than joining our 14th annual Toy Drive with Christmas Unlimited, celebrating 101 years of community service! Dive into the holiday spirit and set off on the Cycling Santa bike ride at 9am, with a route crafted by Torie from the Buffalo Lodge Bicycle Resort. As a special treat, your registration bags you a full Santa suit—yes, that includes the beard—and little ones aged 4 and under can join for free, suit and all! Mid-ride, indulge in waffles and hot chocolate at our 21-mile turnaround point. Need wheels? Reserve your ebike with Criterium Bike Shop or Incline Bikes and get ready to enjoy the ride!

Get ready to lace up and hit the ground running with Rocky Mountain Road Runners this December! Dive into the heart of Denver's scenic Washington Park for a thrilling 4.5-mile course that welcomes every pace. Cheer and stride in unison with fellow runners as you embark on a race that levels the playing field—with a unique handicap system, everyone's in with a shot at glory!    It's not just about speed; it's about challenge and camaraderie. Submit your 5k time, grab your start time, and show off your runner's spirit. Remember, race day is December 3rd—arrive 30-45 minutes early to gear up and feel the buzz. It's your time to shine, right there on Washington Park's embracing loops. Let's make it a December to remember!

Get ready to dash through Denver with a festive twist at the Santa's Dash for Cash! Choose your challenge: tackle the 1 Mile(ish) for a fun run or go all out in the chip-timed 5k. But that's not all – EVERY finisher in both events will snag a bonus envelope at the finish line, with potential cash prizes to win, including at least one worth a whopping $100!    This year, we're cranking up the excitement! Both the 1 Mile(ish) and 5k participants will take off at the same time, which means no waiting around and more fun running. Cross that finish line and bask in the glory as you receive your prize envelope – everyone's a winner! Don't miss out on this merry mingle of sport and surprise!

Get ready to dash, dance, and prance your way through the Ugly Sweater 5K at Washington Park in Denver! It's not just a race, it's a festive fiesta where your tackiest holiday sweater is your ticket to fun. Imagine a sea of runners, decked out in the most outrageous sweaters, sparkling with tinsel, jingling with bells, and dotted with those classic reindeer and candy canes! Whether you sprint like a reindeer or stroll like a snowman, this flat and fast 5K welcomes all. Cross that finish line and snag your very own ugly sweater medal, a special race shirt, and dive into a celebration with vendors, treats, and yes, cookies! Don't miss out on the ho-ho-holiday fun!

Embrace the thrill of the run with the epic 50 States Half Marathon Club! At just $85, your General Membership unlocks a world of running adventures—tackle myriad challenges at your own pace, with no pressure to rush the journey. For all you passionate pavement-pounders and trailblazers, whether you're into half marathons, full marathons, or triathlons, there's a quest waiting for you. Revel in the camaraderie at our buzzing annual Member Party and Awards Night, and let's not forget the delightful array of awards and recognitions that await you. Connect, celebrate, and conquer—your running family extends across every state!

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Embark on a thrilling adventure with the Fifty States Half Marathon Club by securing your "Life Membership" today! For a one-time fee of $429, you're unlocking a gateway to endless running joy without the burden of pesky annual dues. With your membership, revel in a plethora of perks: a sleek club shirt, an exclusive member sticker, and limitless celebrated awards for conquering our diverse challenges. This isn't just a club—it's a community, captained by a dedicated USA Veteran. Whether you're a walker or a sprinter, a trail enthusiast or a pavement pounder, our array of challenges caters to every pace and passion. Join us, where the miles you cover are matched only by the friendships you forge and the personal victories you amass along the way!

Get ready to unleash your inner champion at an event that's all about pushing limits and celebrating community! Whether you're a seasoned athlete or a first-timer looking to make memories, this is where your extraordinary journey begins. Sign up for an epic day of friendly competition, where sweat and smiles are your badges of honor. We're setting the stage for an immersive sports experience – your chance to challenge yourself, revel in the excitement, and join a vibrant crowd all striving for their personal best. Don't just spectate, participate! Dive into the action, claim your spot, and be a part of something truly spectacular. Gear up, the countdown has begun – are you ready to be a part of the excitement?

Get ready to lace up your sneakers for the 8th annual All-Out Mardi Crawl! This exhilarating event features 5K, 10K, and Half Marathon distances, all kicking off from the acclaimed Apex Center. Prepare to set your stride westward along the scenic Ralston Creek Trail, voted 2020’s Best of the Best, and wind through Arvada with breathtaking views of open spaces and prestigious golf course communities. You'll love the leafy canopies and serene run by the creekside, especially the milder Half Marathon route that circles the tranquil Long Lake Regional Park. Teamed up with the fabulous Runapalooza, the All-Out Mardi Crawl is your ticket to experiencing the best of Colorado's outdoor charm!

Are you ready to lace up and make a real difference? Join the Chris Klug Foundation and challenge yourself in iconic marathons around the globe! From the historic streets of Berlin to the breathtaking coast of Big Sur, not only will you be ticking off an epic personal goal, you're also driving a life-saving mission. CKF, spearheaded by Olympic medalist Chris Klug, channels the power of sports to eliminate transplant waiting times and champions the cause of organ donation. By running with us, your strides support education programs, share powerful stories of hope, and encourage everyone to make the ultimate gift of life. Don't just run—run for a cause that crosses the ultimate finish line!

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Running Events in Colorado 2025-2026

16

Valley 5000

19

Into the Hills Eltuck 5k

23

TBK Bank Thirsty 13 Half Marathon

23

Continental Divide Trail Run

26

Eltuck Valley 12K - Lory Summer Trail Series

31

10k at 10,000 Feet

1

Oak Creek No Fun Run

1

Labor Day Half Marathon

6

Cirque Series - Arapahoe Basin, CO

7

Denver Rocks Run 5K/10K

7

RMRR September Trophy Series

7

Conservation Colorado 5k

13

Parker Parks and Recreation So Long to Summer 5K/10K

20

Autumn Run

20

Beulah Challenge and OverIt Series

20

Pikes Peak Ascent

21

6th ANNUAL PAUL'S MYSTERY SHIP WALK TO END ALS

21

Flyin' Lion 5K

21

Pikes Peak Marathon

21

19th Annual Golden Gallop

21

Farmers 5000

27

Emerald Mountain Trail Run

28

Sawatch Ascent

4

Not So Flatt Breast Cancer Awareness Run/Walk

5

RMRR October Trophy Series

11

Manitou 5K

11

The Long View Marathon

12

Westy Half & 5k

14

2025 DU Crimson Classic 5K Run/1.5 Mile Walk

25

Apex Foundation Trick or Trot 5K & Kids' Halloween Hunt

25

Foundry Halloween 5k

26

Ghosts and Goblins 5K/10K

1

Colorado 24 Hour Run

2

RMRR November Trophy Series

8

Alamosa Veterans Memorial Park Race

8

Bell Ringer 4 Miler

15

Pumpkin Pie 5K/10K

27

Parker Parks and Recreation Turkey Day 5K FUN Run/Walk

27