August Races within 25 miles of Lakewood, CO
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
PH in the Park
Aug 27, 2023
Impact Uganda 5K/10K
Aug 17, 2024
Miles for Migraine
Aug 17, 2024
Donot Stop
Aug 31, 2024
Aurora, CO
Smoky Hill Community 5K
Aug 19, 2023
Run for the Ring 5K
Aug 3, 2024
WW Clyde Family Sports Day
Aug 10, 2024
Average Joe Run 5K
Aug 11, 2024
Idaho Springs, CO
Georgetown to Idaho Springs Half Marathon
Aug 10, 2024
Georgetown, CO
Georgetown to Idaho Springs Half Marathon
Aug 10, 2024
Centennial, CO
NoSo November 5K Walk/Run
Aug 13, 2023
RMRR Trophy Series - August
Aug 2, 2024
Arapahoe Warrior 5K
Aug 3, 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
Englewood, CO
Denver Twilight Series: The Finale
Aug 9, 2024
Erie, CO
Erie Half & 5K
Aug 18, 2024
Louisville, CO
Coyote Chase 5K
Aug 19, 2023
Highlands Ranch, CO
Q Man Classic
Aug 12, 2023
ThunderRidge Grizzly 2 Mile
Aug 19, 2023
Unicorn 5K South
Aug 3, 2024
Littleton, CO
Cover Me 5K
Aug 27, 2023
HRCA Splash Mash Dash Kids Triathlon
Aug 3, 2024
Pancake Stampede 5K
Aug 11, 2024
Colorado 6 Dot Dash
Aug 24, 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
Rocky Mountain Tri Fest
Aug 11, 2024
Boulder Sunset 10K/5K
Aug 24, 2024
Boulder Sunset Triathlon
Aug 24, 2024
Lone Tree, CO
Bluffs 8K Trail Run
Aug 27, 2023
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
24 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
24 miles point to pointBoulder County, CO
3. RMRR Trophy Series - August
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Aug 2, 2024Friday
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5K run
More Information
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Centennial, CO
14 miles point to pointArapahoe County, CO
4. 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
7 miles point to pointJefferson County, CO
5. Arapahoe Warrior 5K
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Aug 3, 2024Saturday
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5K run
More Information
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Centennial, CO
14 miles point to pointArapahoe 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
More Information
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Boulder, CO
24 miles point to pointBoulder County, CO
7. HRCA Splash Mash Dash Kids Triathlon
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Aug 3, 2024Saturday
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youth triathlon
More Information
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Littleton, CO
7 miles point to pointArapahoe County, CO
8. 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
24 miles point to pointBoulder County, CO
9. Run for the Ring 5K
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Aug 3, 2024Saturday
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5K run | kids run
More Information
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Aurora, CO
13 miles point to pointArapahoe County, CO
10. 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
24 miles point to pointBoulder County, CO
11. Staunton State Park 20K
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Aug 3, 2024Saturday
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20K trail run
More Information
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Evergreen, CO
13 miles point to pointJefferson County, CO
12. Unicorn 5K South
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Aug 3, 2024Saturday
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5K run
More Information
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Highlands Ranch, CO
12 miles point to pointDouglas County, CO
13. Evergreen Town Race
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Aug 4, 2024Sunday
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10K, 5K run
More Information
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Evergreen, CO
13 miles point to pointJefferson County, CO
14. Denver Twilight Series: The Finale
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Aug 9, 2024Friday
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track meet
More Information
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Englewood, CO
6 miles point to pointArapahoe County, CO
15. 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
7 miles point to pointJefferson County, CO
16. 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
5 miles point to pointDenver County, CO
17. Georgetown to Idaho Springs Half Marathon
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Aug 10, 2024Saturday
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13.1M run
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startGeorgetown, CO33 miles point to pointfinishIdaho Springs, CO23 miles point to pointClear Creek County, COClear Creek County, CO
18. 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
9 miles point to pointAdams County, COJefferson County, CO
19. 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
24 miles point to pointBoulder County, CO
20. 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
13 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.