May 5Ks within 25 miles of Boulder, CO on Sundays
Longmont, CO
Longmont Half Marathon
May 4, 2025
Westminster, CO
Colorado Women's Classic - Westminster
May 11, 2025
Arvada, CO
Miles for Smiles 5K
May 19, 2024
Boulder, CO
Boulder Mothers Day Run
May 12, 2024
Sat | Sun | Mon | Tue | Wed | Thu | Fri | Multiple |
1. Longmont Half Marathon
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May 4, 2025Sunday
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13.1M, 5K run
More Information
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Longmont, CO
14 miles point to pointBoulder County, CO
2. RMRR Trophy Series - May
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Past DateMay 5, 2024Sunday
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5M, 5K run
More Information
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Denver, CO
24 miles point to pointDenver County, CO
3. Colorado Women's Classic - Westminster
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May 11, 2025Sunday
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10M, 10K, 5K run | kids run
More Information
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Women Only
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Westminster, CO
17 miles point to pointAdams County, COJefferson County, CO
4. Mothers Day 5K
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May 11, 2025Sunday
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5K run
More Information
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Denver, CO
24 miles point to pointDenver County, CO
5. Boulder Mothers Day Run
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Past DateMay 12, 2024Sunday
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13.1M, 10K, 5K trail run
More Information
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Boulder, CO
Boulder County, CO
6. 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
19 miles point to pointAdams County, CO
7. 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
18 miles point to pointJefferson 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.