Colorado Running Events

Showing 1 - 12 of 333 results
MAR3
Registration Perks
That Dam Run 13.1, 10K & 5KGreenwood Village, Colorado, US

Welcom to That Dam Run & Crush That Dam!

The Best Dam Run you will ever do! Come Crush that Dam and run either the 13.1 (Half Marathon), 10K, or 5K. Come CRUSH THAT DAM, have fun & enjoy with your family, friends & loved ones.

$30 - $60
Half Marathon • 10k • 5k
That Dam Run 13.1, 10K & 5K
MAR24
Registration Perks
All-Out Spring Fever Half Marathon, 10K, 5K & 1MileArvada, Colorado, US

From the base of Table Mountain and Colorados spectacular foothills, All-Out Multicourse presents our 7th annual Spring Fever from Jefferson Countys NAAC Stadium easily accessible from Hwy 93, 6th Ave, Hwy 58 or I-70. Along with its Endless Series sidekick in October Kooky-Spooky, these 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.

$25 - $80
Half Marathon • 10k • 5k • Other
All-Out Spring Fever Half Marathon, 10K, 5K & 1Mile
APR13
Registration Perks
All-Out Beat The Heat Full Marathon, Half Marathon,10K, 5K & 1MileWestminster, Colorado, US

One of Colorados favorite trails meets one of its most glorious parks at our 7th annual Beat the Heat 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 event for all abilities & preferences, plus along with its Endless Series sidekick in September Fallfest, All-Out Multicourse is proud to bring you the one and only groomed trail marathon course in the Denver Metro Area!

$25 - $100
Marathon • Half Marathon • 10k • 5k
All-Out Beat The Heat Full Marathon, Half Marathon,10K, 5K & 1Mile
MAY4
Long Island MarathonEast Meadow Drive, Vail, CO, USA

The NEFCU Long Island Marathon is one of the regions most exciting athletic events, and I am pleased to team up with Corey Roberts of RACE AWESOME and NEFCU to offer even more to our racegoers, said Nassau County Executive Laura Curran.

$12 - $109
Marathon • Half Marathon • 10k • 5k
Long Island Marathon
MAY5
Registration Perks
Emerge 5k: Helping Our Youth SoarBoulder, Colorado, USA

Join us for the Sixth Annual EMERGE 5K:

This 5K family walk/run event is an empowering experience designed to raise awareness of youth suicide prevention efforts and bring support to the youth of Boulder and St. Vrain Valley School Districts. Join us in helping them soar!


Awesome live music will be provided by Kutandara! Post-race (free) refreshments from Button Rock Bakery, KT's BBQ, Morning Glory Cafe and more.


Proceeds from this event benefit the Second Wind Fund of Boulder County, a non-profit organization whose mission is to provide funded counseling services to at risk youth in Boulder County. The event is also designed as an opportunity for remembrance of those we've lost to suicide and a celebration of all who choose life.

$20 - $35
5k
Emerge 5k: Helping Our Youth Soar
JUN8
Registration Perks
BIGDOGBRAG The Colorado Mud Run - PuebloColorado State University-Pueblo, Bonforte Boulevard, Pueblo, CO, USA

Big dog brag...The Colorado Mud Run transforms the natural obstacles of Colorado's rugged terrain into 25+ muddy obstacles on our family-friendly 5k and 2k courses. Splash down the 70-foot Mud Slide, climb over cargo net canyons, slog your way through real mud pits...not just dirty water, rope climb on Colorado boulders, balance on swinging bridges, experience the gorilla swing and sprint across the floating platforms. You can race with your best buddies to the finish line or soak up each challenge at your own pace. Get dirty with Colorado's most affordable five star rated mud obstacle run!

$25 - $64
5k • Other
BIGDOGBRAG The Colorado Mud Run - Pueblo
JUN22
Registration Perks
All-Out Summer Breeze Half Marathon, 10K, 5K & 1MileArvada, Colorado, US

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
Half Marathon • 10k • 5k • Other
All-Out Summer Breeze Half Marathon, 10K, 5K & 1Mile
JUL20
All-Out Annual Dog Days Half Marathon, 10K, 5K & 1MileWestminster, Colorado, US

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
Half Marathon • 10k • 5k • Other
All-Out Annual Dog Days Half Marathon, 10K, 5K & 1Mile
SEP21
All-Out Fallfest Full Marathon, Half Marathon,10K, 5K & 1MileWestminster, Colorado, US

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
Marathon • Half Marathon • 10k • 5k • Other
All-Out Fallfest Full Marathon, Half Marathon,10K, 5K & 1Mile
NOV17
Registration Perks
Mac 'N Cheese 5kWashington Park, Denver, CO, USA

Welcome to the Denver Mac 'n Cheese premier 5k road race, starting and finishing in Washington Park. The Mac 'N Cheese 5k is a flat and fast course, offering $5,000 in prize money, age group awards, and plenty of food and beverages at the post-race party!

$35
5k
Mac 'N Cheese 5k
FEB24
Pueblo MarathonPueblo, Pueblo County, CO
Other • Half Marathon
Pueblo Marathon
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