August Races within 25 miles of Erie, CO
Longmont, CO
Sunrise Stampede 5K
Aug 10, 2024
Outdoor Divas Sprint Triathlon
Aug 18, 2024
Longmont Kids Only Triathlon
Aug 24, 2024
Longmont Try-a-Tri
Aug 24, 2024
Denver, CO
Denver Twilight 5000 (Race 2)
Aug 10, 2023
Race for Research 5K
Aug 20, 2023
D'Evelyn Dash
Aug 26, 2023
Festival For Life: AIDS Walk & Run Colorado
Aug 26, 2023
OCA Panda Run
Aug 26, 2023
PH in the Park
Aug 27, 2023
Impact Uganda 5K/10K
Aug 17, 2024
Donot Stop
Aug 31, 2024
Aurora, CO
Run for the Ring 5K
Aug 5, 2023
Smoky Hill Community 5K
Aug 19, 2023
WW Clyde Family Sports Day
Aug 10, 2024
Westminster, CO
Jog in the Bog 5K
Aug 19, 2023
Holy Cow Trail Stampede
Aug 10, 2024
Eye Love Logan and Zoe 5K
Aug 11, 2024
Hometown Half Marathon
Aug 11, 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
Boulder, CO
Transperfect Victory Lap 5K
Aug 19, 2023
South Boulder Creek parkrun
Mar 23, 2024
Mar 30, 2024
Apr 6, 2024
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
Rocky Mountain Tri Fest
Aug 11, 2024
Boulder Sunset 10K/5K
Aug 24, 2024
Boulder Sunset Triathlon
Aug 24, 2024
Wheat Ridge, CO
Colorado Brewery Running Series
Aug 17, 2024
Eldorado Springs, CO
Eldorado Springs Run for the Cure
Aug 15, 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. Boulder Stroke & Stride Series
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Aug 1, 2024Thursday
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aquathon | 5K run
More Information
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Boulder, CO
12 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
More Information
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Boulder, CO
12 miles point to pointBoulder County, CO
3. 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
17 miles point to pointJefferson County, CO
4. 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
12 miles point to pointBoulder County, CO
5. Pearl Street Mile
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Aug 3, 2024Saturday
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1M run | kids run
More Information
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Boulder, CO
12 miles point to pointBoulder County, CO
6. South Boulder Creek parkrun
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Aug 3, 2024Saturday
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5K run
More Information
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Boulder, CO
12 miles point to pointBoulder County, CO
7. Run for the Ring 5K
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Past DateAug 5, 2023Saturday
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5K run | kids run
More Information
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Aurora, CO
25 miles point to pointArapahoe County, CO
8. Colorado Brewery Running Series
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Aug 10, 2024Saturday
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5K run
More Information
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Arvada, CO
17 miles point to pointJefferson County, CO
9. Denver Twilight 5000 (Race 2)
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Past DateAug 10, 2023Thursday
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5K run
More Information
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Denver, CO
22 miles point to pointDenver County, CO
10. Holy Cow Trail Stampede
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Aug 10, 2024Saturday
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10K, 5K run
More Information
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Westminster, CO
15 miles point to pointAdams County, COJefferson County, CO
11. South Boulder Creek parkrun
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Aug 10, 2024Saturday
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5K run
More Information
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Boulder, CO
12 miles point to pointBoulder County, CO
12. Sunrise Stampede 5K
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Aug 10, 2024Saturday
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5K, 1M run
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Longmont, CO
8 miles point to pointBoulder County, CO
13. WW Clyde Family Sports Day
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Aug 10, 2024Saturday
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5K run
More Information
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Aurora, CO
25 miles point to pointArapahoe County, CO
14. Eye Love Logan and Zoe 5K
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Aug 11, 2024Sunday
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5K run | kids run
More Information
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Westminster, CO
15 miles point to pointAdams County, COJefferson County, CO
15. 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
15 miles point to pointAdams County, COJefferson County, CO
16. Rocky Mountain Tri Fest
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Aug 11, 2024Sunday
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sprint, supersprint triathlon | kids run
More Information
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Boulder, CO
12 miles point to pointBoulder County, CO
17. Eldorado Springs Run for the Cure
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Aug 15, 2024Thursday
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4M run
More Information
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Eldorado Springs, CO
14 miles point to pointBoulder County, CO
18. Colorado Brewery Running Series
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Aug 17, 2024Saturday
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5K run
More Information
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Wheat Ridge, CO
20 miles point to pointJefferson County, CO
19. Impact Uganda 5K/10K
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Aug 17, 2024Saturday
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10K, 5K run
More Information
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Denver, CO
22 miles point to pointDenver County, CO
20. South Boulder Creek parkrun
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Aug 17, 2024Saturday
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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.