May Races within 50 miles of Brighton, CO on Sundays
Longmont, CO
Frank Shorter Track Classic
May 12, 2024
Denver, CO
Healthy Kids Running Series
Apr 14, 2024
Apr 21, 2024
May 5, 2024
May 19, 2024
1 more
Colorado Brewery Running Series
May 5, 2024
RMRR Trophy Series - May
May 5, 2024
Mothers Day 5K
May 12, 2024
Denver Colfax Marathon
May 19, 2024
May 18, 2024
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
Englewood, CO
Running for Rescues
May 21, 2023
Castle Rock, CO
Rylie's Run
May 14, 2023
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 |
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. Altitude Elementary Moose Mudder
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May 5, 2024Sunday
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5K, 1K run
More Information
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Aurora, CO
18 miles point to pointArapahoe County, CO
2. Colorado Brewery Running Series
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May 5, 2024Sunday
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5K run
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Denver, CO
19 miles point to pointDenver County, CO
3. Colorado Marathon
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May 5, 2024Sunday
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26.2M, 13.1M, 10K, 5K run | 26.2M relay
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Boston Marathon Qualifier
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Fort Collins, CO
44 miles point to pointLarimer County, CO
4. Healthy Kids Running Series - Denver
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May 5, 2024Sunday
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kids run
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Denver, CO
19 miles point to pointDenver County, CO
5. Healthy Kids Running Series - Aurora
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May 5, 2024Sunday
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kids run
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Aurora, CO
18 miles point to pointArapahoe County, CO
6. RMRR Trophy Series - May
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May 5, 2024Sunday
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5M, 5K run
More Information
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Denver, CO
19 miles point to pointDenver County, CO
7. Boulder Mothers Day Run
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May 12, 2024Sunday
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13.1M, 10K, 5K trail run
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Boulder, CO
24 miles point to pointBoulder County, CO
8. Colorado Women's Classic - Westminster
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May 12, 2024Sunday
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10M, 10K, 5K run | kids run
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Women Only
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Westminster, CO
16 miles point to pointAdams County, COJefferson County, CO
9. Frank Shorter Track Classic
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May 12, 2024Sunday
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track meet
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Longmont, CO
19 miles point to pointBoulder County, CO
10. Head and Neck Cancer A Hard Thing to Swallow 5K/10K
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May 12, 2024Sunday
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10K, 5K run
Virtual OptionMore Information
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Thornton, CO
12 miles point to pointAdams County, CO
11. Mothers Day 5K
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May 12, 2024Sunday
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5K run
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Denver, CO
19 miles point to pointDenver County, CO
12. Rylie's Run
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Past DateMay 14, 2023Sunday
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5K run
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Castle Rock, CO
42 miles point to pointDouglas County, CO
13. Denver Colfax Marathon
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May 19, 2024Sunday
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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
19 miles point to pointDenver County, CO
14. Healing Warriors Program 5K Fun Run
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May 19, 2024Sunday
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5K run
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Fort Collins, CO
44 miles point to pointLarimer County, CO
15. Healthy Kids Running Series - Denver
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May 19, 2024Sunday
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kids run
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Denver, CO
19 miles point to pointDenver County, CO
16. Healthy Kids Running Series - Aurora
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May 19, 2024Sunday
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kids run
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Aurora, CO
18 miles point to pointArapahoe County, CO
17. Miles for Smiles 5K
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May 19, 2024Sunday
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5K run | kids run
More Information
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Arvada, CO
19 miles point to pointJefferson County, CO
18. Running for Rescues
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Past DateMay 21, 2023Sunday
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5K, 1M run | 5K trail run | kids run
Virtual OptionMore Information
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Englewood, CO
25 miles point to pointArapahoe 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.