August 5Ks within 50 miles of Idaho Springs, CO
Evergreen, CO
Evergreen Town Race
Aug 4, 2024
Longmont, CO
Sunrise Stampede 5K
Aug 10, 2024
Denver, CO
Impact Uganda 5K/10K
Aug 17, 2024
Miles for Migraine
Aug 17, 2024
Race for Research 5K
Aug 18, 2024
Ram Run
Aug 24, 2024
Aurora, CO
Run for the Ring 5K
Aug 3, 2024
Average Joe Run 5K
Aug 11, 2024
Smoky Hill Community 5K
Aug 25, 2024
Westminster, CO
Eye Love Logan and Zoe 5K
Aug 18, 2024
Jog in the Bog 5K
Aug 24, 2024
Westminster Trail Race
Aug 24, 2024
Holy Cow Trail Stampede
Aug 9, 2025
Summer Sizzler
Aug 16, 2025
Erie, CO
Erie Half & 5K
Aug 17, 2025
Louisville, CO
Coyote Chase 5K
Aug 24, 2024
Castle Rock, CO
Reece's Roundup
Aug 3, 2024
Rock Hawk Trail Races
Aug 25, 2024
Broomfield, CO
Jag Jog 5K
Aug 24, 2024
Highlands Ranch, CO
Q Man Classic
Aug 10, 2024
Unicorn 5K South
Aug 2, 2025
Littleton, CO
Forever Family 5K
Aug 10, 2024
Pancake Stampede 5K
Aug 11, 2024
Colorado 6 Dot Dash
Aug 24, 2024
Arvada, CO
All-Out Runapalooza
Aug 2, 2025
Estes Park, CO
Rocky Mountain Half Marathon
Aug 2, 2025
Boulder, CO
Boulder Stroke & Stride Series
May 30, 2024
Jun 5, 2024
Jun 13, 2024
Jun 20, 2024
5 more
Boulder Sunset 10K/5K
Aug 24, 2024
South Boulder Creek parkrun
Mar 22, 2025
Mar 29, 2025
Apr 5, 2025
Apr 12, 2025
48 more
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
Fraser, CO
Byers Peak Stampede
Aug 24, 2024
Keystone, CO
Das Bier Burner 5K
Aug 31, 2024
Fort Lupton, CO
Wicked Wine Run
Aug 24, 2024
Sat | Sun | Mon | Tue | Wed | Thu | Fri | Multiple |
1. Boulder Stroke & Stride Series
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Past DateAug 1, 2024Thursday
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aquathon | 5K run
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Boulder, CO
22 miles point to pointBoulder County, CO
2. 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
23 miles point to pointJefferson County, CO
3. RMRR Trophy Series - August
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Past DateAug 2, 2024Friday
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5K run
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Centennial, CO
35 miles point to pointArapahoe County, CO
4. Rocky Mountain Half Marathon
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Aug 2, 2025Saturday
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13.1M, 5K run
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Estes Park, CO
44 miles point to pointLarimer County, CO
5. South Boulder Creek parkrun
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Aug 2, 2025Saturday
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5K run
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Boulder, CO
22 miles point to pointBoulder County, CO
6. 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
32 miles point to pointDouglas County, CO
7. 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
35 miles point to pointArapahoe County, CO
8. Berry Picker Trail Run
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Past DateAug 3, 2024Saturday
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5K trail run
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Vail, CO
46 miles point to pointEagle County, CO
9. 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
43 miles point to pointDouglas County, CO
10. Run for the Ring 5K
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Past DateAug 3, 2024Saturday
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5K run | kids run
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Aurora, CO
36 miles point to pointArapahoe County, CO
11. Evergreen Town Race
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CancelledAug 4, 2024Sunday
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10K, 5K run
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Evergreen, CO
13 miles point to pointJefferson County, CO
12. Holy Cow Trail Stampede
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Aug 9, 2025Saturday
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10K, 5K run
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Westminster, CO
26 miles point to pointAdams County, COJefferson County, CO
13. South Boulder Creek parkrun
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Aug 9, 2025Saturday
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5K run
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Boulder, CO
22 miles point to pointBoulder County, CO
14. Forever Family 5K
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Past DateAug 10, 2024Saturday
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5K, 1.5M run | kids run
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Littleton, CO
28 miles point to pointArapahoe County, CO
15. 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
32 miles point to pointDouglas County, CO
16. Sunrise Stampede 5K
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Past DateAug 10, 2024Saturday
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5K, 1M run
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Longmont, CO
36 miles point to pointBoulder County, CO
17. Average Joe Run 5K
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Past DateAug 11, 2024Sunday
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5K run
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Aurora, CO
36 miles point to pointArapahoe County, CO
18. Pancake Stampede 5K
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Past DateAug 11, 2024Sunday
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5K run
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Littleton, CO
28 miles point to pointArapahoe County, CO
19. South Boulder Creek parkrun
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Aug 16, 2025Saturday
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5K run
More Information
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Boulder, CO
22 miles point to pointBoulder County, CO
20. Summer Sizzler
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Aug 16, 2025Saturday
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10K, 5K run
More Information
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Westminster, CO
26 miles point to pointAdams County, COJefferson 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.