August Classic Races within 50 miles of Windsor, CO
Longmont, CO
Sunrise Stampede 5K
Aug 10, 2024
Cheyenne, WY
I Heart Cheyenne 5K
Aug 19, 2023
Steamboat Springs, CO
Wild West Relay
Aug 2, 2024
Westminster, CO
Holy Cow Trail Stampede
Aug 10, 2024
Eye Love Logan and Zoe 5K
Aug 11, 2024
Hometown Half Marathon
Aug 11, 2024
Jog in the Bog 5K
Aug 24, 2024
Westminster Trail Race
Aug 24, 2024
Erie, CO
Erie Half & 5K
Aug 18, 2024
Berthoud, CO
Berthoud Family Fun Run
Aug 19, 2023
Louisville, CO
Coyote Chase 5K
Aug 19, 2023
Loveland, CO
Valley 5000
Aug 17, 2024
Estes Park, CO
Rocky Mountain Half Marathon
Aug 2, 2024
Aug 3, 2024
Boulder, CO
Transperfect Victory Lap 5K
Aug 19, 2023
South Boulder Creek parkrun
Mar 22, 2025
Mar 29, 2025
Apr 5, 2025
Apr 13, 2024
48 more
Boulder Stroke & Stride Series
May 30, 2024
Jun 5, 2024
Jun 13, 2024
Jun 20, 2024
5 more
BRR All Comers Summer Track and Field Series
Jun 6, 2024
Jun 20, 2024
Jul 18, 2024
Aug 1, 2024
Boulder Rez Marathon
Aug 3, 2024
Pearl Street Mile
Aug 3, 2024
Boulder Sunset 10K/5K
Aug 24, 2024
Allenspark, CO
Run Like the Wind
Aug 31, 2024
Wheat Ridge, CO
Colorado Brewery Running Series
Aug 17, 2024
Eldorado Springs, CO
Eldorado Springs Run for the Cure
Aug 15, 2024
Fort Collins, CO
Be a Hero 5K
Aug 19, 2023
Wild West Relay
Aug 2, 2024
Lory Summer Trail Series
Aug 6, 2024
Aug 27, 2024
Aug 20, 2024
Aug 13, 2024
Mountain Ave Mile
Aug 9, 2024
Human Race
Aug 10, 2024
Severance, CO
Severance Days 5K
Aug 24, 2024
Sat | Sun | Mon | Tue | Wed | Thu | Fri | Multiple |
1. Boulder Stroke & Stride Series
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Aug 1, 2024Thursday
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aquathon | 5K run
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Boulder, CO
38 miles point to pointBoulder County, CO
2. BRR All Comers Summer Track and Field Series
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Aug 1, 2024Thursday
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track meet
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Boulder, CO
38 miles point to pointBoulder County, CO
3. Rocky Mountain Half Marathon
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Aug 2, 2024Friday
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5K run
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Estes Park, CO
34 miles point to pointLarimer County, CO
4. Wild West Relay
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Aug 2, 2024Friday
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200M relay
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startFort Collins, CO12 miles point to pointfinishSteamboat Springs, CO102 miles point to pointRoutt County, COLarimer County, CO
5. All-Out Runapalooza
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Aug 3, 2024Saturday
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13.1M, 10K, 5K run
Virtual OptionMore Information
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Arvada, CO
48 miles point to pointJefferson County, CO
6. 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
38 miles point to pointBoulder County, CO
7. Pearl Street Mile
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Aug 3, 2024Saturday
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1M run | kids run
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Boulder, CO
38 miles point to pointBoulder County, CO
8. Rocky Mountain Half Marathon
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Aug 3, 2024Saturday
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13.1M run
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Estes Park, CO
34 miles point to pointLarimer County, CO
9. South Boulder Creek parkrun
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Aug 3, 2024Saturday
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5K run
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Boulder, CO
38 miles point to pointBoulder County, CO
10. Lory Summer Trail Series
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Aug 6, 2024Tuesday
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5K trail run
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Fort Collins, CO
12 miles point to pointLarimer County, CO
11. Mountain Ave Mile
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Aug 9, 2024Friday
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1M run
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Fort Collins, CO
12 miles point to pointLarimer County, CO
12. Colorado Brewery Running Series
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Aug 10, 2024Saturday
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5K run
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Arvada, CO
48 miles point to pointJefferson County, CO
13. Holy Cow Trail Stampede
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Aug 10, 2024Saturday
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10K, 5K run
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Westminster, CO
45 miles point to pointAdams County, COJefferson County, CO
14. Human Race
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Aug 10, 2024Saturday
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13.1M, 10K, 5K run | kids run
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Fort Collins, CO
12 miles point to pointLarimer County, CO
15. South Boulder Creek parkrun
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Aug 10, 2024Saturday
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5K run
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Boulder, CO
38 miles point to pointBoulder County, CO
16. Sunrise Stampede 5K
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Aug 10, 2024Saturday
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5K, 1M run
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Longmont, CO
24 miles point to pointBoulder County, CO
17. Eye Love Logan and Zoe 5K
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Aug 11, 2024Sunday
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5K run | kids run
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Westminster, CO
45 miles point to pointAdams County, COJefferson County, CO
18. Hometown Half Marathon
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Aug 11, 2024Sunday
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13.1M, 10K, 5K, 1M run | kids run
Virtual OptionMore Information
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Westminster, CO
45 miles point to pointAdams County, COJefferson County, CO
19. Lory Summer Trail Series
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Aug 13, 2024Tuesday
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10K trail run
More Information
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Fort Collins, CO
12 miles point to pointLarimer County, CO
20. Eldorado Springs Run for the Cure
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Aug 15, 2024Thursday
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4M run
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Eldorado Springs, CO
42 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.