Upcoming Races in Colorado
Event Category
Click Here to find out what Classic, Multisport, and Variety mean.
To narrow your search by a distance or event type, you will need to select Classic, Multisport, or Variety first.
To narrow your search by a distance or event type, you will need to select Classic, Multisport, or Variety first.
City Location
1. Dash & Dine 5K Series
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May 11, 2021Tuesday
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5K run
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Boulder, CO
Boulder County, CO
2. Boneyard Boogie
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May 15, 2021Saturday
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11K trail run
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Eagle, CO
Eagle County, CO
3. Endure 12 and 24 Hour
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May 15, 2021Saturday
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24H, 12H trail run
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Divide, CO
Teller County, CO
4. Federal Cup 5K
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May 15, 2021Saturday
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5K run | kids run
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Lakewood, CO
Jefferson County, CO
5. Run to the Shrine
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May 15, 2021Saturday
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4M run
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Colorado Springs, CO
El Paso County, CO
6. Suffer Better Ride n' Tie
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May 15, 2021Saturday
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other offroad duathlon | 20M trail run
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Pine, CO
Jefferson County, CO
7. Vallecito Lake Heavy Half
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May 15, 2021Saturday
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13.1M run
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Bayfield, CO
La Plata County, CO
8. Healthy Kids Running Series - Littleton
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May 16, 2021Sunday
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kids run
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Littleton, CO
Arapahoe County, CO
9. Healthy Kids Running Series - Denver
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May 16, 2021Sunday
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kids run
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Denver, CO
Denver County, CO
10. Healthy Kids Running Series - Aurora
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May 16, 2021Sunday
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kids run
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Aurora, CO
Arapahoe County, CO
11. Rocky Mountain Brew Runs - Ladies Brew Run
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May 16, 2021Sunday
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5K run
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Littleton, CO
Arapahoe County, CO
12. Run to the Shrine
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May 16, 2021Sunday
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4M run
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Colorado Springs, CO
El Paso County, CO
13. Dash & Dine 5K Series
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May 18, 2021Tuesday
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5K run
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Boulder, CO
Boulder County, CO
14. Bayfield Superhero Fun Run 5K
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May 22, 2021Saturday
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5K run
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Bayfield, CO
La Plata County, CO
15. Bulldog Run
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May 22, 2021Saturday
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10K, 5K run
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Trinidad, CO
Las Animas County, CO
16. Castlewood Canyon Endurance Run
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May 22, 2021Saturday
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12H trail run
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Franktown, CO
Douglas County, CO
17. Climb 4 Change
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May 22, 2021Saturday
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1H run | 10K, 5K, 0.5H trail run | stair climb
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Castle Rock, CO
Douglas County, CO
18. Colorado Brewery Running Series - Westbound & Down
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May 22, 2021Saturday
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5K run
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Idaho Springs, CO
Clear Creek County, CO
19. Barr Lake Half Marathon
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May 23, 2021Sunday
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13.1M, 15K run
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Brighton, CO
Adams County, CO
20. Healthy Kids Running Series - Aurora
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May 23, 2021Sunday
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kids run
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Aurora, CO
Arapahoe County, CO
For the love of all that Is good And moisture wicking...
Though we Try To be accurate And On top Of things... Race details can change When we aren't lookin. And once in a while we simply make a mistake.
ALWAYS visit the race's website for the most complete and accurate race information.
ALWAYS visit the race's website for the most complete and accurate race information.