10k Runs in Colorado

Showing 1 - 48 of 102 events
MAY25
Memorial Day Run March
Castle Rock, CO, United States

Memorial Day Run & March invites civilians, Veterans, and uniformed Military to challenge themselves in friendly competition, while helping feed homeless Veterans.

Details

Memorial Day Run March

500 Fairgrounds Rd, Castle Rock, CO 80104, USAView event
About the event
From the organiser

Memorial Day Run & March invites civilians, Veterans, and uniformed Military to challenge themselves in friendly competition, while helping feed homeless Veterans.

$40 - $45
Memorial Day Run March
JUN1
Into The Wild Running Festival
Keenesburg, CO, United States

Register TODAY! The 5K Run, 10K Run, and 5K Walk will take place as usual but are not going to be bib-timed this year. Shirts and hats will be available on race day. See you then!

Details

Into The Wild Running Festival

85 Main St, Keenesburg, CO 80643, USAView event
About the event
From the organiser

Register TODAY! The 5K Run, 10K Run, and 5K Walk will take place as usual but are not going to be bib-timed this year. Shirts and hats will be available on race day. See you then!

$45
Into The Wild Running Festival
JUN1
Heroes of Hope Race
Wheat Ridge, CO, United States

Courage. Resilience. Strength. These are just a few characteristics that describe the over 14 million cancer survivors across America.

Not only do these words describe those who won their fight against cancer, but those who fought courageously and with dignity. As our community comes together, join Lutheran Medical Center and Cancer Centers of Colorado for our Run/Walk and National Cancer Survivors Day Celebration.

Details

Heroes of Hope Race

3535 Teller St, Wheat Ridge, CO 80033, USAView event
About the event
From the organiser

Courage. Resilience. Strength. These are just a few characteristics that describe the over 14 million cancer survivors across America.

Not only do these words describe those who won their fight against cancer, but those who fought courageously and with dignity. As our community comes together, join Lutheran Medical Center and Cancer Centers of Colorado for our Run/Walk and National Cancer Survivors Day Celebration.

$30 - $45
Heroes of Hope Race
JUN1
Wellderness 10K/6K
Estes Park, CO, United States

ts wellness in the wilderness. Wellderness promotes fitness, nature, nutrition, self-care and self-exploration. And theres no better place to go experience it all than at Rocky Mountain National Park, Estes Park, Colorado. Wellderness will host a full weekend of activities and events where participants can partake in group fitness, meet outdoor experts, try new products, and have some fun.

Details

Wellderness 10K/6K

203 Park Ln, Estes Park, CO 80517, USAView event
About the event
From the organiser

ts wellness in the wilderness. Wellderness promotes fitness, nature, nutrition, self-care and self-exploration. And theres no better place to go experience it all than at Rocky Mountain National Park, Estes Park, Colorado. Wellderness will host a full weekend of activities and events where participants can partake in group fitness, meet outdoor experts, try new products, and have some fun.

$25
Wellderness 10K/6K
JUN2
Colorado 13er
Louisville, CO, United States

The Colorado 13er is THE event where the best parts of trail running road racing meld to create a truly enjoyable, kind to your body, well supported 13.1 race! Seasoned runners and first timers alike appreciate the excellent communication from the 13er race crew who make this event accessible for athletes of all levels.

Details

Colorado 13er

740 Main St, Louisville, CO 80027, USAView event
About the event
From the organiser

The Colorado 13er is THE event where the best parts of trail running road racing meld to create a truly enjoyable, kind to your body, well supported 13.1 race! Seasoned runners and first timers alike appreciate the excellent communication from the 13er race crew who make this event accessible for athletes of all levels.

$35 - $45
Colorado 13er
JUN9
Garden of the Gods 10 Mile / 10K Run

The Garden of the Gods Ten Mile and 10k has always had it all a spectacular setting, a physically demanding course, competition in almost every age-group, excellent runner support, unique awards and great shirts. Simply, this is one of the most beautiful and challenging road race venues anywhere!

Details

Garden of the Gods 10 Mile / 10K Run

Garden of the Gods, 1805 N 30th St, Colorado Springs, CO 80904, USAView event
About the event
From the organiser

The Garden of the Gods Ten Mile and 10k has always had it all a spectacular setting, a physically demanding course, competition in almost every age-group, excellent runner support, unique awards and great shirts. Simply, this is one of the most beautiful and challenging road race venues anywhere!

$50 - $60
Garden of the Gods 10 Mile / 10K Run
JUN16
Father’s Day Classic 5k and 10k
Arvada, CO, United States

It's an annual Fathers Day tradition in Arvada! Come to race and stay for the FREE Father's Day Car Show in the APEX Center Parking Area. All are welcome - walkers, joggers and speed demons, too!

Details

Father’s Day Classic 5k and 10k

13150 W 72nd Ave, Arvada, CO 80005, USAView event
About the event
From the organiser

It's an annual Fathers Day tradition in Arvada! Come to race and stay for the FREE Father's Day Car Show in the APEX Center Parking Area. All are welcome - walkers, joggers and speed demons, too!

$10 - $45
Father’s Day Classic 5k and 10k
JUN16
Father's Day 5K/10K

Join us for a family running extravaganza! With events from 1 Mile to Half Marathon distances, as well as the ability to Double (run a 1 Mile or 5K at 7am and add a 10K, 10 Mile or Half Marathon at 8am), there is an event distance for anyone or everyone in the family at this event!

Details

Father's Day 5K/10K

Denver, CO, USAView event
About the event
From the organiser

Join us for a family running extravaganza! With events from 1 Mile to Half Marathon distances, as well as the ability to Double (run a 1 Mile or 5K at 7am and add a 10K, 10 Mile or Half Marathon at 8am), there is an event distance for anyone or everyone in the family at this event!

$35 - $45
Father's Day 5K/10K
JUN22
Mountain Ridge Trail Half Marathon and 10K
Highlands Ranch, CO, United States

This annual trail race, has quickly become a runner favorite among Endurance Race Series front range events. The rolling hills of this Highlands Ranch course will keep the Heart Rate pumping while offering some of the best views in the front range.

Details

Mountain Ridge Trail Half Marathon and 10K

Highlands Ranch, CO, USAView event
About the event
From the organiser

This annual trail race, has quickly become a runner favorite among Endurance Race Series front range events. The rolling hills of this Highlands Ranch course will keep the Heart Rate pumping while offering some of the best views in the front range.

$50
Mountain Ridge Trail Half Marathon and 10K
JUN22
Registration Perks
All-Out Summer Breeze Half Marathon, 10K, 5K & 1Mile
Arvada, CO, United States

From the heart of the West Metro area and the Stenger Soccer Complex, All-Out brings you our 7th annual Summer Breeze! Along with its Endless Series sidekick in January Polar Prowl, these 1M, 5K, 10K and Half Marathon courses will follow Van Bibber Creek Trail west through Arvadas open spaces with spectacular views of the countryside and Table Mountain. Plus, all distances have a fairly level grade, so yup get ready for a PR!

Details

All-Out Summer Breeze Half Marathon, 10K, 5K & 1Mile

11200 W 58th Ave, Arvada, CO 80002, USAView event
About the event
From the organiser

From the heart of the West Metro area and the Stenger Soccer Complex, All-Out brings you our 7th annual Summer Breeze! Along with its Endless Series sidekick in January Polar Prowl, these 1M, 5K, 10K and Half Marathon courses will follow Van Bibber Creek Trail west through Arvadas open spaces with spectacular views of the countryside and Table Mountain. Plus, all distances have a fairly level grade, so yup get ready for a PR!

$25 - $65
All-Out Summer Breeze Half Marathon, 10K, 5K & 1Mile
JUN22
MountainChild Run For Hope
Centennial, CO, United States

MountainChild exists for the purpose of raising awareness, resources and financial aid for humanitarian work carried out among impoverished children and their villages throughout the Himalayas. We invite you to join us for MountainChild's Annual Run 4 Hope in Centennial Colorado, or wherever you are, as we come together to raise awareness and resources for humanitarian projects that help provide clean water, fight child trafficking, improve health and education and a variety of other programs and projects in Nepal. This will be a great event for the whole family!

Details

MountainChild Run For Hope

Centennial, CO, USAView event
About the event
From the organiser

MountainChild exists for the purpose of raising awareness, resources and financial aid for humanitarian work carried out among impoverished children and their villages throughout the Himalayas. We invite you to join us for MountainChild's Annual Run 4 Hope in Centennial Colorado, or wherever you are, as we come together to raise awareness and resources for humanitarian projects that help provide clean water, fight child trafficking, improve health and education and a variety of other programs and projects in Nepal. This will be a great event for the whole family!

$15 - $40
MountainChild Run For Hope
JUN22
Run for Hope
Centennial, CO, United States

MountainChild exists for the purpose of raising awareness, resources and financial aid for humanitarian work carried out among impoverished children and their villages throughout the Himalayas. We invite you to join us for MountainChild's Annual Run 4 Hope in Centennial Colorado, or wherever you are, as we come together to raise awareness and resources for humanitarian projects that help provide clean water, fight child trafficking, improve health and education and a variety of other programs and projects in Nepal. This will be a great event for the whole family!

Details

Run for Hope

Centennial, CO, USAView event
About the event
From the organiser

MountainChild exists for the purpose of raising awareness, resources and financial aid for humanitarian work carried out among impoverished children and their villages throughout the Himalayas. We invite you to join us for MountainChild's Annual Run 4 Hope in Centennial Colorado, or wherever you are, as we come together to raise awareness and resources for humanitarian projects that help provide clean water, fight child trafficking, improve health and education and a variety of other programs and projects in Nepal. This will be a great event for the whole family!

$15 - $35
Run for Hope
JUN22
Jeremy Bitner Fallen Officer 5K/10K Run
Englewood, CO, United States

The Jeremy Bitner Memorial 5K/10K Run (3.1 miles/6.2 miles) & 5K Walk is an annual event in honor of Englewood Police Detective Jeremy Bitner. Detective Bitner lost his life in the line of duty on May 28, 2012, after being struck and killed by a vehicle while performing a traffic stop.

Details

Jeremy Bitner Fallen Officer 5K/10K Run

3798 S Broadway, Englewood, CO 80113, USAView event
About the event
From the organiser

The Jeremy Bitner Memorial 5K/10K Run (3.1 miles/6.2 miles) & 5K Walk is an annual event in honor of Englewood Police Detective Jeremy Bitner. Detective Bitner lost his life in the line of duty on May 28, 2012, after being struck and killed by a vehicle while performing a traffic stop.

$15 - $40
Jeremy Bitner Fallen Officer 5K/10K Run
JUL14
DC Wonder Woman Run Series - Denver

Get your cape on and join your fellow Super Heroes when you run or walk the Denver DC Wonder Woman 5K or 10K! Experience heroic race course entertainment, earn the stunning DC Wonder Woman finishers medal and celebrate with your fellow super heroes at the post race party!

Details

DC Wonder Woman Run Series - Denver

McNichols Civic Center Building, 144 W Colfax Ave, Denver, CO 80202, USAView event
About the event
From the organiser

Get your cape on and join your fellow Super Heroes when you run or walk the Denver DC Wonder Woman 5K or 10K! Experience heroic race course entertainment, earn the stunning DC Wonder Woman finishers medal and celebrate with your fellow super heroes at the post race party!

$25 - $59
DC Wonder Woman Run Series - Denver
JUL14
Registration Perks
Spartan Trail Fort Carson - Colorado Springs

Spartan Trail is a no-obstacles foot race through rugged wilderness, overseen by legendary race directors from the world of trail running. With a 10k (6.2 mile) race at all events and a Half Marathon (13.1 mile) at select locations, theres a Spartan Trail for everyone.

Details

Spartan Trail Fort Carson - Colorado Springs

Colorado Springs, CO, USAView event
About the event
From the organiser

Spartan Trail is a no-obstacles foot race through rugged wilderness, overseen by legendary race directors from the world of trail running. With a 10k (6.2 mile) race at all events and a Half Marathon (13.1 mile) at select locations, theres a Spartan Trail for everyone.

$65 - $95
Spartan Trail Fort Carson - Colorado Springs
JUL14
Summer Round Up Trail Run

The Summer Round Up Trail Run has always had it alla spectacular setting, a beautiful trail, competition in almost every age-group, excellent runner support, unique awards and great shirts.

Now located at the beautiful Cheyenne Mountain State Park, the fun factor will get cranked up even higher. A rolling course that will give everybody more of what they have come to expect. All at a price that is simply unmatched in the front range area.

Details

Summer Round Up Trail Run

Cheyenne Mountain State Park, 410 JL Ranch Heights Rd, Colorado Springs, CO 80926, USAView event
About the event
From the organiser

The Summer Round Up Trail Run has always had it alla spectacular setting, a beautiful trail, competition in almost every age-group, excellent runner support, unique awards and great shirts.

Now located at the beautiful Cheyenne Mountain State Park, the fun factor will get cranked up even higher. A rolling course that will give everybody more of what they have come to expect. All at a price that is simply unmatched in the front range area.

$35
Summer Round Up Trail Run
JUL20
All-Out Annual Dog Days Half Marathon, 10K, 5K & 1Mile
Westminster, CO, United States

Get ready for some fun in the sun and a great mid-season test of your training as we bring our 7th Annual Dog Days 1M, 5K, 10K & Half Marathon! Centrally located between Denver & Boulder at Westminsters award-winning City Park, along with its Endless Series sidekick in December Fa La La, the beauty of our breathtaking Flatirons as a backdrop will inspire you every step of the way. Plus Big Dry Creek Trail is well known as a Colorado favourite!

Details

All-Out Annual Dog Days Half Marathon, 10K, 5K & 1Mile

10455 Sheridan Boulevard, Westminster, CO 80020, USAView event
About the event
From the organiser

Get ready for some fun in the sun and a great mid-season test of your training as we bring our 7th Annual Dog Days 1M, 5K, 10K & Half Marathon! Centrally located between Denver & Boulder at Westminsters award-winning City Park, along with its Endless Series sidekick in December Fa La La, the beauty of our breathtaking Flatirons as a backdrop will inspire you every step of the way. Plus Big Dry Creek Trail is well known as a Colorado favourite!

$20 - $80
All-Out Annual Dog Days Half Marathon, 10K, 5K & 1Mile
JUL20
Kickers For Kids Fun Run
Palmer Lake, CO, United States

"Wake Up And Smell The Pine Trees" at the Kickers For Kids Fun Run located at the Palmer Lake Regional Recreation Area in Palmer Lake, Colorado. The Kickers For Kids Fun Run is an event for all levels of runners and a great opportunity to just get out, exercise, and enjoy all of the beauty of the New Santa Fe Regional Trail under a nice warm Colorado summer sun.

Details

Kickers For Kids Fun Run

Palmer Lake, CO, USAView event
About the event
From the organiser

"Wake Up And Smell The Pine Trees" at the Kickers For Kids Fun Run located at the Palmer Lake Regional Recreation Area in Palmer Lake, Colorado. The Kickers For Kids Fun Run is an event for all levels of runners and a great opportunity to just get out, exercise, and enjoy all of the beauty of the New Santa Fe Regional Trail under a nice warm Colorado summer sun.

$35 - $100
Kickers For Kids Fun Run
JUL20
Classic 10K

The Classic 10K is a point-to-point course, following the Pikes Peak Greenway through the heart of Colorado Springs. From near Woodmen Rd. & I-25 on a mostly paved trail to North Monument Valley Park where the course turns to gravel, this course is historically fast and is net downhill. This year's event will award $2000 in prize money, equally split between men and women.

Details

Classic 10K

Monument Valley Park, 170 W Cache La Poudre St, Colorado Springs, CO 80903, USAView event
About the event
From the organiser

The Classic 10K is a point-to-point course, following the Pikes Peak Greenway through the heart of Colorado Springs. From near Woodmen Rd. & I-25 on a mostly paved trail to North Monument Valley Park where the course turns to gravel, this course is historically fast and is net downhill. This year's event will award $2000 in prize money, equally split between men and women.

$30
Classic 10K
JUL21
Black Hawk Trail Half Marathon
Gilpin County, CO, United States

If you are looking for one of the best "hill" courses the ERS has to offer, than look no further! You can bet this course will keep your HR high, while you take in the surrounding mountain views and terrain.

Details

Black Hawk Trail Half Marathon

Crawford Gulch Rd, Colorado 80403, USAView event
About the event
From the organiser

If you are looking for one of the best "hill" courses the ERS has to offer, than look no further! You can bet this course will keep your HR high, while you take in the surrounding mountain views and terrain.

$50
Black Hawk Trail Half Marathon
AUG11
Registration Perks
Donut Dash 5K/10K

The Donut Dash 5K and 10K is Denvers race that ends with donuts. Runners and walkers can take advantage of a flat and fast course, and then enjoy fresh donuts at the finish. Our mission is to bring people together to have a fun, fit morning, all while supporting the many different needs throughout our region.

Details

Donut Dash 5K/10K

2001 Steele St, Denver, CO 80205, USAView event
About the event
From the organiser

The Donut Dash 5K and 10K is Denvers race that ends with donuts. Runners and walkers can take advantage of a flat and fast course, and then enjoy fresh donuts at the finish. Our mission is to bring people together to have a fun, fit morning, all while supporting the many different needs throughout our region.

$22 - $40
Donut Dash 5K/10K
AUG22
Six Pack Summer Series Westminster - 5K & 10K
Westminster, CO, United States

This series is for ROOKIES - looking to learn 'how to run or race'. This is the place to feel welcome and where you can ask any question. Race in either distance offered at each event; you can choose the 5k for every single event, or you can mix and match with the progressive distances.

Details

Six Pack Summer Series Westminster - 5K & 10K

9650 W 97th Ave, Westminster, CO 80021, USAView event
About the event
From the organiser

This series is for ROOKIES - looking to learn 'how to run or race'. This is the place to feel welcome and where you can ask any question. Race in either distance offered at each event; you can choose the 5k for every single event, or you can mix and match with the progressive distances.

$25 - $30
Six Pack Summer Series Westminster - 5K & 10K
AUG25
Roger's Grove Trail Half Marathon & 10K
Longmont, CO, United States

Welcome to the Roger's Grove Trail Half Marathon and 10K in Longmont CO. If you want a perfect view of the mountains, a flat and fast course, and a stint around the water... Well then look no further than our Annual trail race at Roger's Grove Park in Longmont. Settled into the heart of Longmont, the Roger's Grove Trail Half Marathon and 10K is a perfect course for all levels of trail runner...

Details

Roger's Grove Trail Half Marathon & 10K

220 S Hover St, Longmont, CO 80501, USAView event
About the event
From the organiser

Welcome to the Roger's Grove Trail Half Marathon and 10K in Longmont CO. If you want a perfect view of the mountains, a flat and fast course, and a stint around the water... Well then look no further than our Annual trail race at Roger's Grove Park in Longmont. Settled into the heart of Longmont, the Roger's Grove Trail Half Marathon and 10K is a perfect course for all levels of trail runner...

$50 - $80
Roger's Grove Trail Half Marathon & 10K
SEP7
Boyd Lake Bash Multisport Festival
Loveland, CO, United States

The Boyd Lake Bash Multisport Festival will be an event youll look forward to all season long. Why? Beautiful mountain views, ideal weather and a choice of multiple events!

Details

Boyd Lake Bash Multisport Festival

Loveland, CO, USAView event
About the event
From the organiser

The Boyd Lake Bash Multisport Festival will be an event youll look forward to all season long. Why? Beautiful mountain views, ideal weather and a choice of multiple events!

$30
Boyd Lake Bash Multisport Festival
SEP7
Palmer Lake Half Marathon and 10K
Monument, CO, United States

The Palmer Lake Trail Half Marathon and 10K means wide opens spaces and downhill finishes!! Join us in Monument CO for the Annual trail race along the Santa Fe Trail and Greenland Open Space.

Details

Palmer Lake Half Marathon and 10K

238 3rd St, Monument, CO 80132, USAView event
About the event
From the organiser

The Palmer Lake Trail Half Marathon and 10K means wide opens spaces and downhill finishes!! Join us in Monument CO for the Annual trail race along the Santa Fe Trail and Greenland Open Space.

$45
Palmer Lake Half Marathon and 10K
SEP7
Ned Ned Run
Nederland, CO, United States

Embark on your journey by winding through Old Town Nederland, the epitome of Colorado mountain towns. The 1/2 Marathon will take you on dirt roads and single track trails as you challenge yourself to be a little more extreme`` and immerse yourself in the history and beauty of the area. This long-time race is family friendly and you are welcome to run with your dog on leash in the 5K / 10K. Costumes are encouraged!

Part of the Colorado Mountain Half Series

Details

Ned Ned Run

151 East St, Nederland, CO 80466, USAView event
About the event
From the organiser

Embark on your journey by winding through Old Town Nederland, the epitome of Colorado mountain towns. The 1/2 Marathon will take you on dirt roads and single track trails as you challenge yourself to be a little more extreme`` and immerse yourself in the history and beauty of the area. This long-time race is family friendly and you are welcome to run with your dog on leash in the 5K / 10K. Costumes are encouraged!

Part of the Colorado Mountain Half Series

$40 - $70
Ned Ned Run
SEP15
Women's Run Series - Denver
Arvada, CO, United States

Come join StartLine Racing for their Inaugural Women's Run Series presented by First Watch. This event will feature a Half Marathon, 10K, 5K and Butterfly Dash at North Area Athletic Complex.

Details

Women's Run Series - Denver

Arvada, CO, USAView event
About the event
From the organiser

Come join StartLine Racing for their Inaugural Women's Run Series presented by First Watch. This event will feature a Half Marathon, 10K, 5K and Butterfly Dash at North Area Athletic Complex.

$35
Women's Run Series - Denver
SEP15
Dam Run at Castlewood Canyon
Franktown, CO, United States

Join us for The Annual Dam Run at Castlewood Canyon!

Castlewood Canyon is a hidden treasure for trail runners and hikers. The park is a Colorado Natural Area providing great wildlife, plant community, and geologic viewing opportunities. A surprising remnant of local history is on display at the ruins of Castlewood Dam. This private dam burst during a storm in 1933, sending a wave of water flooding into Denver. Runners and hikers will pass this unexpected window to the past, as well as the historic Lucas Homestead site.

Details

Dam Run at Castlewood Canyon

2024 N State Hwy 83, Franktown, CO 80116, USAView event
About the event
From the organiser

Join us for The Annual Dam Run at Castlewood Canyon!

Castlewood Canyon is a hidden treasure for trail runners and hikers. The park is a Colorado Natural Area providing great wildlife, plant community, and geologic viewing opportunities. A surprising remnant of local history is on display at the ruins of Castlewood Dam. This private dam burst during a storm in 1933, sending a wave of water flooding into Denver. Runners and hikers will pass this unexpected window to the past, as well as the historic Lucas Homestead site.

$35
Dam Run at Castlewood Canyon
SEP21
All-Out Fallfest Full Marathon, Half Marathon,10K, 5K & 1Mile
Westminster, CO, United States

One of Colorados favourite trails meets one of its most glorious parks at our 5th annual Fallfest 1M, 5K, 10K, Half & Full Marathon! As courses wind southwest along Big Dry Creek Trail, the remarkable sight of Standley Lake with the Flatirons on the horizon will come into view, then the rustic nature to the northeast will be waiting to greet our marathon athletes. A course thats not too hilly & not too flat makes this the perfect choice for all abilities & preferences, plus along with its Endless Series sidekick in April Beat the Heat, All-Out Multicourse is proud to bring you the one and only groomed trail marathon course in the Denver Metro Area!

Details

All-Out Fallfest Full Marathon, Half Marathon,10K, 5K & 1Mile

10170 Church Ranch Way, Westminster, CO 80021, USAView event
About the event
From the organiser

One of Colorados favourite trails meets one of its most glorious parks at our 5th annual Fallfest 1M, 5K, 10K, Half & Full Marathon! As courses wind southwest along Big Dry Creek Trail, the remarkable sight of Standley Lake with the Flatirons on the horizon will come into view, then the rustic nature to the northeast will be waiting to greet our marathon athletes. A course thats not too hilly & not too flat makes this the perfect choice for all abilities & preferences, plus along with its Endless Series sidekick in April Beat the Heat, All-Out Multicourse is proud to bring you the one and only groomed trail marathon course in the Denver Metro Area!

$20 - $100
All-Out Fallfest Full Marathon, Half Marathon,10K, 5K & 1Mile
SEP28
Bear Chase Race - 100K/50M/50K

The Bear Chase Race Endurance Festival is a 100k, 50 mile, 50k, Half Marathon and the Baby Bear 10k Trail Race at beautiful Bear Creek Lake Park, in Lakewood, CO.

An excellent race for first time ultramarathoners, runners will experience a variety of challenging terrain and sweeping panoramic views throughout the race. The course is pretty fast (by trail / ultra standards), and not overly technical.

Details

Bear Chase Race - 100K/50M/50K

AKEWOOD URGENT CARE, 670 S Wadsworth Blvd, Lakewood, CO 80226, USAView event
About the event
From the organiser

The Bear Chase Race Endurance Festival is a 100k, 50 mile, 50k, Half Marathon and the Baby Bear 10k Trail Race at beautiful Bear Creek Lake Park, in Lakewood, CO.

An excellent race for first time ultramarathoners, runners will experience a variety of challenging terrain and sweeping panoramic views throughout the race. The course is pretty fast (by trail / ultra standards), and not overly technical.

$45 - $130
Bear Chase Race - 100K/50M/50K
SEP28
Prairie Dog Half Marathon, 10K & 5K – Westminster
Westminster, CO, United States

The Westminster event supports Growing Home of Westminster. Bring 5 items for donation on race day and you'll be entered into a raffle for great prizes!

Details

Prairie Dog Half Marathon, 10K & 5K – Westminster

Westminster, CO 80020, USAView event
About the event
From the organiser

The Westminster event supports Growing Home of Westminster. Bring 5 items for donation on race day and you'll be entered into a raffle for great prizes!

Free - $75
Prairie Dog Half Marathon, 10K & 5K – Westminster
SEP28
Boulder Backroads Half Marathon
Boulder, CO, United States

We have revived the spirit of the original race. The double-loop course is spectator-friendly and not quite as hilly as the original. The festive mood and runner-centered approach remain. The race expo will include some of your favorite local and national brands; the post-race party, headlined by Avery Brewing Company, and including food from Niwot Market, Savory Cuisines and more, will allow runners to refuel and relax with friends, family and fellow-athletes. Local companies Skratch Labs and V-Fuel provide on-course nutrition.

Details

Boulder Backroads Half Marathon

1515 19th St, Boulder, CO 80302, USAView event
About the event
From the organiser

We have revived the spirit of the original race. The double-loop course is spectator-friendly and not quite as hilly as the original. The festive mood and runner-centered approach remain. The race expo will include some of your favorite local and national brands; the post-race party, headlined by Avery Brewing Company, and including food from Niwot Market, Savory Cuisines and more, will allow runners to refuel and relax with friends, family and fellow-athletes. Local companies Skratch Labs and V-Fuel provide on-course nutrition.

$35
Boulder Backroads Half Marathon
OCT2
American Discovery Trail Half Marathon

The Pikes Peak Road Runners American Discovery Trail Marathon supports PPRR and the Trails and Open Space Coalition. The scenic course along paved and dirt trails is about as fast and flat as you can find in Colorado.

Details

American Discovery Trail Half Marathon

126 Cimino Dr, Colorado Springs, CO 80903, USAView event
About the event
From the organiser

The Pikes Peak Road Runners American Discovery Trail Marathon supports PPRR and the Trails and Open Space Coalition. The scenic course along paved and dirt trails is about as fast and flat as you can find in Colorado.

$30 - $55
American Discovery Trail Half Marathon
OCT12
St Patricks in October
Strasburg, CO, United States

Yes! We celebrate St. Patrick's in October, why not?

Kick off the day with a 5, 10, or 15k run on the

Platte River Trail. Stay for the after party.

Details

St Patricks in October

56003 E Prentice Pl, Strasburg, CO 80136, USAView event
About the event
From the organiser

Yes! We celebrate St. Patrick's in October, why not?

Kick off the day with a 5, 10, or 15k run on the

Platte River Trail. Stay for the after party.

$35
St Patricks in October
OCT13
Run The Rocks
Morrison, CO, United States

Run the Rocks is a one-of-a-kind road race/fun run/walk that combines the beauty and history of Red Rocks with a mix of rock and roll altitude for everyone who wants to strut their inner Rockstar. Pick between an unforgettable 10K, 5K or family fun run and enjoy breathtaking views, challenging hills, local live music along the course, and an iconic climb up the steps of the Amphitheatre to a cheering finish where a cold beer and bragging rights await!

Details

Run The Rocks

Morrison Park, 303-319 CO-8, Morrison, CO 80465, USAView event
About the event
From the organiser

Run the Rocks is a one-of-a-kind road race/fun run/walk that combines the beauty and history of Red Rocks with a mix of rock and roll altitude for everyone who wants to strut their inner Rockstar. Pick between an unforgettable 10K, 5K or family fun run and enjoy breathtaking views, challenging hills, local live music along the course, and an iconic climb up the steps of the Amphitheatre to a cheering finish where a cold beer and bragging rights await!

$30 - $40
Run The Rocks
OCT19
Rock ‘n’ Roll Denver

Take in some deep breaths as you'll be 1 mile above sea level for this running and music festival. Live music and supporters line the course, so this is one not to be missed for runners that love a party atmosphere. Be sure to collect your Rock ‘n’ Roll medal and enjoy the post-race parties.

Details

Rock ‘n’ Roll Denver

1280 Bannock St, Denver, CO 80204, USAView event
About the event
Take in some deep breaths as you'll be 1 mile above sea level for this running and music festival. Live music and supporters line the course, so this is one not to be missed for runners that love a party atmosphere. Be sure to collect your Rock ‘n’ Roll medal and enjoy the post-race parties.
$59.99 - $109.99
Rock ‘n’ Roll Denver
OCT26
Monster Dash Run Denver

Come enjoy a little exercise and burn off those Halloween calories. There will be 2 distance choices: the 5k "Fun Run" is for the entire family to run together (Ages 5 and up) and strollers allowed. The 10k Race is for the runner looking for more of a challenge.

Details

Monster Dash Run Denver

3845 Tennyson St, Denver, CO 80212, USAView event
About the event
From the organiser

Come enjoy a little exercise and burn off those Halloween calories. There will be 2 distance choices: the 5k "Fun Run" is for the entire family to run together (Ages 5 and up) and strollers allowed. The 10k Race is for the runner looking for more of a challenge.

$10 - $30
Monster Dash Run Denver
OCT27
Registration Perks
All-Out Kooky-Spooky 1M, 5K, 10K, & Half Marathon
Golden, CO, United States

From the base of Table Mountain and Colorados spectacular foothills, All-Out Multicourse presents our 8th annual Kooky-Spooky from Jefferson Countys NAAC Stadium easily accessible from Hwy 93, 6th Ave, Hwy 58 or I-70. Along with its Endless Series sidekick in March Spring Fever, this 1M, 5K, 10K & Half Marathon courses will hug the shores of Arvadas Blunn Reservoir via the Ralston Creek Trail and will challenge the beginner and veteran athlete alike.

Details

All-Out Kooky-Spooky 1M, 5K, 10K, & Half Marathon

1117 Washington Ave, Golden, CO 80401, USAView event
About the event
From the organiser

From the base of Table Mountain and Colorados spectacular foothills, All-Out Multicourse presents our 8th annual Kooky-Spooky from Jefferson Countys NAAC Stadium easily accessible from Hwy 93, 6th Ave, Hwy 58 or I-70. Along with its Endless Series sidekick in March Spring Fever, this 1M, 5K, 10K & Half Marathon courses will hug the shores of Arvadas Blunn Reservoir via the Ralston Creek Trail and will challenge the beginner and veteran athlete alike.

$20 - $80
All-Out Kooky-Spooky 1M, 5K, 10K, & Half Marathon
NOV23
10k Turkey Trek, 5k Turkey Trot & 2k Turkey Toddle
Arvada, CO, United States

This Arvada event supports Community Table, a local food bank!

Join us on the Saturday BEFORE Thanksgiving as we race a 10k trek up the Ralston Creek Trail, starting from Long Lake Ranch Regional Park.

This is a trek worth bragging rights, as the hill at mile 2 is nothing to gobble at!

Not up for the whole trek? Join the 2k Turkey Toddle or the 5k Turkey Trot with the "Fill Your Pie Hole" Challenge at the 1k mark! (Although the 2k is untimed, the top 3 male and female finishers to cross the line will be recognized!)

Details

10k Turkey Trek, 5k Turkey Trot & 2k Turkey Toddle

Long Lake Regional Park, 17850 W 64th Ave, Arvada, CO 80403, USAView event
About the event
From the organiser

This Arvada event supports Community Table, a local food bank!

Join us on the Saturday BEFORE Thanksgiving as we race a 10k trek up the Ralston Creek Trail, starting from Long Lake Ranch Regional Park.

This is a trek worth bragging rights, as the hill at mile 2 is nothing to gobble at!

Not up for the whole trek? Join the 2k Turkey Toddle or the 5k Turkey Trot with the "Fill Your Pie Hole" Challenge at the 1k mark! (Although the 2k is untimed, the top 3 male and female finishers to cross the line will be recognized!)

$30 - $40
10k Turkey Trek, 5k Turkey Trot & 2k Turkey Toddle
NOV28
Stanley Harvesting Hope 5K

Lace up your running shoes and register below to Harvest Hope in the fight against childhood obesity and Prader-Willi Syndrome!

Details

Stanley Harvesting Hope 5K

Denver, CO, USAView event
About the event
From the organiser

Lace up your running shoes and register below to Harvest Hope in the fight against childhood obesity and Prader-Willi Syndrome!

Free - $25
Stanley Harvesting Hope 5K
DEC21
Christmas Carol Classic

For participants of all levels for families, friends and colleagues, corporate, church and school groups the Christmas Carol Classic 1M/5K/10K & Tiny Tim Fun Runis THE holiday celebration event of the season! Come out and earn your finisher and awards medals, tech t-shirts, hot chocolate, and much, much more! And be prepared to be inspired as the Original Dickens Carolers grace the plaza at City Park in full Dickensian costume, blending phenomenal voices that ring with authenticity the true spirit of the season.

Details

Christmas Carol Classic

Unnamed Road, Denver, CO 80205, USAView event
About the event
From the organiser

For participants of all levels for families, friends and colleagues, corporate, church and school groups the Christmas Carol Classic 1M/5K/10K & Tiny Tim Fun Runis THE holiday celebration event of the season! Come out and earn your finisher and awards medals, tech t-shirts, hot chocolate, and much, much more! And be prepared to be inspired as the Original Dickens Carolers grace the plaza at City Park in full Dickensian costume, blending phenomenal voices that ring with authenticity the true spirit of the season.

$25 - $35
Christmas Carol Classic
MAY27
BolderBOULDER 10k
Boulder, CO, United States

In 1979 we dreamt of attracting a few hundred of our friends to race through the streets of Boulder, Colorado to celebrate Memorial Day with our families. Fast forward almost 40 years and the BolderBOULDER has grown to become one of the largest and most highly acclaimed 10Ks in the world. Named Americas All-Time Best 10K by Runners World, it is the 3rd largest running race in the United States and the 7th largest in the world.

Details

BolderBOULDER 10k

Boulder, CO 80303, USAView event
About the event
From the organiser

In 1979 we dreamt of attracting a few hundred of our friends to race through the streets of Boulder, Colorado to celebrate Memorial Day with our families. Fast forward almost 40 years and the BolderBOULDER has grown to become one of the largest and most highly acclaimed 10Ks in the world. Named Americas All-Time Best 10K by Runners World, it is the 3rd largest running race in the United States and the 7th largest in the world.

Booking Closed
BolderBOULDER 10k

What you need to know about 10k Runs

10k runs are very popular, they’re an achievable challenge for anyone with enough training and are therefore some of the most fun and most inclusive events. 10ks are perfect team events, train with friends and colleagues and get a group together for race day.

Find local 10k running races

10ks are so popular you won’t have trouble finding one near you, whether it’s fancy dress for the BHF, or completing the Royal Parks Series (one in every major London park). 10ks are an excellent way to kick off the season if you’re a marathon runner or triathlete, they’re also a fun way to meet new people and get involved for charity.

Ready for an even bigger challenge? Take a look at our half marathon and full marathon events too

More 10k Runs Near You

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