May Races within 25 miles of Erie, CO
Denver, CO
Healthy Kids Running Series
Apr 14, 2024
Apr 21, 2024
May 5, 2024
May 19, 2024
1 more
RMRR Trophy Series - May
May 5, 2024
Girls on the Run 5K
May 18, 2024
Mothers Day 5K
May 11, 2025
Denver Colfax Marathon
May 18, 2025
May 17, 2025
Aurora, CO
Healthy Kids Running Series
Apr 14, 2024
Apr 21, 2024
Apr 28, 2024
May 19, 2024
1 more
Altitude Elementary Moose Mudder
May 5, 2024
Westminster, CO
Colorado Women's Classic - Westminster
May 12, 2024
Berthoud, CO
Bob Turner Classic 5K
May 4, 2024
Loveland, CO
New Vision 5K
May 4, 2024
Run For The Trees
May 4, 2024
Run for the Trees - BSBF 2 Mile Run
May 4, 2024
Know. Grow. GO RUN 5K
May 17, 2024
Arvada, CO
Hope House 5K & Fun Run
May 4, 2024
CMRA Tucker Lake 6.5 Mile
May 11, 2024
Miles for Smiles 5K
May 19, 2024
Boulder, CO
Dash & Dine 5K Series
Apr 30, 2024
May 7, 2024
May 14, 2024
May 21, 2024
Boulder Mothers Day Run
May 12, 2024
South Boulder Creek parkrun
Mar 22, 2025
Mar 29, 2025
Apr 5, 2025
Apr 12, 2025
48 more
BOLDERBoulder 10K
May 27, 2024
Boulder Stroke & Stride Series
May 30, 2024
Jun 5, 2024
Jun 13, 2024
Jun 20, 2024
5 more
Brighton, CO
Adams County Foster Care 5K
May 4, 2024
Lakewood, CO
Federal Cup 5K
May 4, 2024
GiGi's 5K
May 4, 2024
Firestone, CO
Carbon Valley Half Marathon
May 11, 2024
Sat | Sun | Mon | Tue | Wed | Thu | Fri | Multiple |
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.
21. Colorado Women's Classic - Westminster
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Past DateMay 12, 2024Sunday
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10M, 10K, 5K run | kids run
More Information
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Women Only
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Westminster, CO
15 miles point to pointAdams County, COJefferson County, CO
22. Frank Shorter Track Classic
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Past DateMay 12, 2024Sunday
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track meet
More Information
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Longmont, CO
8 miles point to pointBoulder County, CO
23. Head and Neck Cancer A Hard Thing to Swallow 5K/10K
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Past DateMay 12, 2024Sunday
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10K, 5K run
Virtual OptionMore Information
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Thornton, CO
13 miles point to pointAdams County, CO
24. Dash & Dine 5K Series
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Past DateMay 14, 2024Tuesday
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5K run
More Information
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Boulder, CO
12 miles point to pointBoulder County, CO
25. Denver Colfax Marathon
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May 17, 2025Saturday
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5K run
More Information
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Boston Marathon Qualifier
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Denver, CO
22 miles point to pointDenver County, CO
26. Know. Grow. GO RUN 5K
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Past DateMay 17, 2024Friday
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5K run
More Information
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Loveland, CO
24 miles point to pointLarimer County, CO
27. South Boulder Creek parkrun
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May 17, 2025Saturday
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5K run
More Information
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Boulder, CO
12 miles point to pointBoulder County, CO
28. Denver Colfax Marathon
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May 18, 2025Sunday
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26.2M, 13.1M, 10M run | 26.2M relay
More Information
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Boston Marathon Qualifier
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Denver, CO
22 miles point to pointDenver County, CO
29. Girls on the Run 5K
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Past DateMay 18, 2024Saturday
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5K run
More Information
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Denver, CO
22 miles point to pointDenver County, CO
30. Healthy Kids Running Series - Denver
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Past DateMay 19, 2024Sunday
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kids run
More Information
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Denver, CO
22 miles point to pointDenver County, CO
31. Healthy Kids Running Series - Aurora
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Past DateMay 19, 2024Sunday
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kids run
More Information
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Aurora, CO
25 miles point to pointArapahoe County, CO
32. Miles for Smiles 5K
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Past DateMay 19, 2024Sunday
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5K run | kids run
More Information
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Arvada, CO
17 miles point to pointJefferson County, CO
33. Dash & Dine 5K Series
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Past DateMay 21, 2024Tuesday
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5K run
More Information
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Boulder, CO
12 miles point to pointBoulder County, CO
34. South Boulder Creek parkrun
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Past DateMay 25, 2024Saturday
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5K run
More Information
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Boulder, CO
12 miles point to pointBoulder County, CO
35. BOLDERBoulder 10K
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Past DateMay 27, 2024Monday
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10K run
More Information
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Boulder, CO
12 miles point to pointBoulder County, CO
36. Boulder Stroke & Stride Series
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Past DateMay 30, 2024Thursday
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aquathon | 5K run
More Information
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Boulder, CO
12 miles point to pointBoulder 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.