Upcoming Relays within 50 miles of Boulder, CO
City Location
1. Colorado Marathon
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May 5, 2024Sunday
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26.2M, 13.1M, 10K, 5K run | 26.2M relay
More Information
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Boston Marathon Qualifier
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Fort Collins, CO
41 miles point to pointLarimer County, CO
2. Carbon Valley Half Marathon
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May 11, 2024Saturday
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13.1M, 5K, 1M run | 13.1M relay | kids run
More Information
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Firestone, CO
19 miles point to pointWeld County, CO
3. 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
24 miles point to pointDenver County, CO
4. Slacker Half Marathon
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Jun 22, 2024Saturday
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13.1M, 4M run | 13.1M relay
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Georgetown, CO
30 miles point to pointClear Creek County, CO
5. July 4th ROCK-IT Run
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Jul 4, 2024Thursday
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13.1M, 5K run | 13.1M relay | kids run
Virtual OptionMore Information
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Castle Rock, CO
49 miles point to pointDouglas County, CO
6. Chase the Moon 12-Hour Endurance Run
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Jul 19, 2024Friday
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12H trail run | 12H relay
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Highlands Ranch, CO
36 miles point to pointDouglas County, CO
7. Wild West Relay
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Aug 2, 2024Friday
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200M relay
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startFort Collins, CO41 miles point to pointfinishSteamboat Springs, CO88 miles point to pointRoutt County, COLarimer County, CO
8. Boulder Rez Marathon
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Aug 3, 2024Saturday
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26.2M, 19.7M, 13.1M, 10K run | 26.2M relay
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Boulder, CO
Boulder County, CO
9. Roost Rebellion Relays
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Sep 4, 2024Wednesday
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4M relay
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Denver, CO
24 miles point to pointDenver County, CO
10. Flaming Foliage Relay
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Sep 6, 2024Friday
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160M relay
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startIdaho Springs, CO22 miles point to pointfinishBuena Vista, CO93 miles point to pointClear Creek County, COChaffee County, CO
11. Snow Mountain Ranch Trail Festival
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Sep 21, 2024Saturday
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50K, 13.1M, 10K, 5K trail run | 50K relay
More Information
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Granby, CO
36 miles point to pointGrand 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.