Upcoming Races within 100 miles of Boulder, CO
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.
1. Alpine Autism Center Run for the One 5K
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Apr 27, 2024Saturday
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5K run
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Colorado Springs, CO
85 miles point to pointEl Paso County, CO
2. Aspen parkrun
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Apr 27, 2024Saturday
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5K run
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Aspen, CO
100 miles point to pointPitkin County, CO
3. Cheyenne Mountain Trail Race
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Apr 27, 2024Saturday
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50K, 25K, 10K trail run
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Colorado Springs, CO
85 miles point to pointEl Paso County, CO
4. Fight for Air Climb - Denver
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Apr 27, 2024Saturday
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stair climb
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Denver, CO
24 miles point to pointDenver County, CO
5. Healthy Kids Running Series - Fort Collins
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Apr 27, 2024Saturday
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kids run
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Fort Collins, CO
41 miles point to pointLarimer County, CO
6. NOCO Half Marathon & 10K
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Apr 27, 2024Saturday
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13.1M, 10K run
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Loveland, CO
29 miles point to pointLarimer County, CO
7. Rock Hawk Trail Races
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Apr 27, 2024Saturday
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13.1M, 10K, 5K trail run
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Castle Rock, CO
49 miles point to pointDouglas County, CO
8. Runs With Scissors Races
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Apr 27, 2024Saturday
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50K, 26.2M, 13.1M run
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Brighton, CO
24 miles point to pointAdams County, CO
9. SOAR 5K
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Apr 27, 2024Saturday
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5K run | kids run
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Golden, CO
18 miles point to pointJefferson County, CO
10. South Boulder Creek parkrun
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Apr 27, 2024Saturday
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5K run
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Boulder, CO
Boulder County, CO
11. Boulder Track Series Meet 2
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Apr 28, 2024Sunday
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track meet
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Longmont, CO
14 miles point to pointBoulder County, CO
12. Fairmount 5K Pancake Fun Run
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Apr 28, 2024Sunday
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5K run
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Golden, CO
18 miles point to pointJefferson County, CO
13. Flying Pig 5K
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Apr 28, 2024Sunday
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5K run | kids run
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Fort Collins, CO
41 miles point to pointLarimer County, CO
14. Healthy Kids Running Series - Denver
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Apr 28, 2024Sunday
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kids run
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Denver, CO
24 miles point to pointDenver County, CO
15. Healthy Kids Running Series - Aurora
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Apr 28, 2024Sunday
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kids run
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Aurora, CO
31 miles point to pointArapahoe County, CO
16. RMRR Spring Marathon Training Series
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Apr 28, 2024Sunday
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20M, 10M run
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Thornton, CO
19 miles point to pointAdams County, CO
17. Dash & Dine 5K Series
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Apr 30, 2024Tuesday
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5K run
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Boulder, CO
Boulder County, CO
18. Adams County Foster Care 5K
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May 4, 2024Saturday
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5K, 1M run
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Brighton, CO
24 miles point to pointAdams County, CO
19. Aspen parkrun
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May 4, 2024Saturday
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5K run
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Aspen, CO
100 miles point to pointPitkin County, CO
20. Bash the Bluffs 5K
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May 4, 2024Saturday
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5K, 1M run | kids run
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Colorado Springs, CO
85 miles point to pointEl Paso 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.