August Classic Runs within 50 miles of Littleton, CO on Saturdays
Thornton, CO
Donot Stop
Aug 31, 2024
Aurora, CO
Run for the Ring 5K
Aug 3, 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
Arapahoe Warrior 5K
Aug 3, 2024
Westminster, CO
Jog in the Bog 5K
Aug 24, 2024
Holy Cow Trail Stampede
Aug 9, 2025
Summer Sizzler
Aug 16, 2025
Louisville, CO
Coyote Chase 5K
Aug 24, 2024
Castle Rock, CO
Reece's Roundup
Aug 3, 2024
Broomfield, CO
Jag Jog 5K
Aug 24, 2024
Highlands Ranch, CO
Q Man Classic
Aug 10, 2024
ThunderRidge Grizzly 2 Mile
Aug 17, 2024
Unicorn 5K South
Aug 2, 2025
Arvada, CO
All-Out Runapalooza
Aug 2, 2025
Boulder, CO
Boulder Rez Marathon
Aug 3, 2024
Pearl Street Mile
Aug 3, 2024
South Boulder Creek parkrun
Mar 22, 2025
Mar 29, 2025
Apr 5, 2025
Apr 12, 2025
48 more
Boulder Sunset 10K/5K
Aug 24, 2024
Allenspark, CO
Run Like the Wind
Aug 31, 2024
Greenwood Village, CO
Saint Catherine 5K
Aug 24, 2024
Selian 5K
Aug 24, 2024
We Run So They May Walk 5K
Aug 24, 2024
Keystone, CO
Das Bier Burner 5K
Aug 31, 2024
Fort Lupton, CO
Wicked Wine Run
Aug 24, 2024
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Sat | Sun | Mon | Tue | Wed | Thu | Fri | Multiple |
1. All-Out Runapalooza
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Aug 2, 2025Saturday
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13.1M, 10K, 5K run
Virtual OptionMore Information
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Arvada, CO
13 miles point to pointJefferson County, CO
2. South Boulder Creek parkrun
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Aug 2, 2025Saturday
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5K run
More Information
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Boulder, CO
31 miles point to pointBoulder County, CO
3. Unicorn 5K South
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Aug 2, 2025Saturday
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5K run
More Information
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Highlands Ranch, CO
5 miles point to pointDouglas County, CO
4. Arapahoe Warrior 5K
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Past DateAug 3, 2024Saturday
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5K run
More Information
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Centennial, CO
8 miles point to pointArapahoe County, CO
5. Boulder Rez Marathon
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Past DateAug 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
31 miles point to pointBoulder County, CO
6. Pearl Street Mile
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Past DateAug 3, 2024Saturday
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1M run | kids run
More Information
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Boulder, CO
31 miles point to pointBoulder County, CO
7. Reece's Roundup
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Past DateAug 3, 2024Saturday
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10K, 5K run
More Information
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Castle Rock, CO
18 miles point to pointDouglas County, CO
8. Run for the Ring 5K
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Past DateAug 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
9. Dog Days of Summer
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Aug 9, 2025Saturday
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3.5M, 1K run | kids run
More Information
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Longmont, CO
38 miles point to pointBoulder County, CO
10. Holy Cow Trail Stampede
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Aug 9, 2025Saturday
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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 9, 2025Saturday
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5K run
More Information
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Boulder, CO
31 miles point to pointBoulder County, CO
12. Forever Family 5K
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Past DateAug 10, 2024Saturday
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5K, 1.5M run | kids run
More Information
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Littleton, CO
Arapahoe County, CO
13. Georgetown to Idaho Springs Half Marathon
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Past DateAug 10, 2024Saturday
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13.1M run
More Information
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startGeorgetown, CO37 miles point to pointfinishIdaho Springs, CO28 miles point to pointClear Creek County, COClear Creek County, CO
14. Q Man Classic
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Past DateAug 10, 2024Saturday
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5K run
More Information
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Highlands Ranch, CO
5 miles point to pointDouglas County, CO
15. Sunrise Stampede 5K
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Past DateAug 10, 2024Saturday
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5K, 1M run
More Information
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Longmont, CO
38 miles point to pointBoulder County, CO
16. Summer Sizzler
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Aug 16, 2025Saturday
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10K, 5K run
More Information
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Westminster, CO
15 miles point to pointAdams County, COJefferson County, CO
17. Impact Uganda 5K/10K
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Past DateAug 17, 2024Saturday
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10K, 5K run
More Information
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Denver, CO
9 miles point to pointDenver County, CO
18. Miles for Migraine - Denver
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Past DateAug 17, 2024Saturday
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5K run
Virtual OptionMore Information
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Denver, CO
9 miles point to pointDenver County, CO
19. South Boulder Creek parkrun
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Past DateAug 17, 2024Saturday
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5K run
More Information
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Boulder, CO
31 miles point to pointBoulder County, CO
20. ThunderRidge Grizzly 2 Mile
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Past DateAug 17, 2024Saturday
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2M run
More Information
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Highlands Ranch, CO
5 miles point to pointDouglas 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.