April Classic Runs within 50 miles of Littleton, CO on Saturdays
Aurora, CO
Aurora Polar Plunge and 5K
Apr 6, 2024
Golden, CO
SOAR 5K
Apr 26, 2025
Boulder, CO
Boulder Rez Half
Apr 13, 2024
The Diabetes Link at CU 5K Run/Walk
Apr 13, 2024
South Boulder Creek parkrun
Mar 22, 2025
Mar 29, 2025
Apr 5, 2025
Apr 12, 2025
48 more
Brighton, CO
Raptor Run
Apr 6, 2024
Five Star Fun Run and 5K
Apr 20, 2024
Runs With Scissors Races
Apr 26, 2025
Sat | Sun | Mon | Tue | Wed | Thu | Fri | Multiple |
1. South Boulder Creek parkrun
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Apr 5, 2025Saturday
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5K run
More Information
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Boulder, CO
31 miles point to pointBoulder County, CO
2. Aurora Polar Plunge and 5K
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Past DateApr 6, 2024Saturday
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5K run
More Information
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Aurora, CO
13 miles point to pointArapahoe County, CO
3. Raptor Run
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Past DateApr 6, 2024Saturday
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5K run
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Brighton, CO
28 miles point to pointAdams County, CO
4. South Boulder Creek parkrun
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Apr 12, 2025Saturday
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5K run
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Boulder, CO
31 miles point to pointBoulder County, CO
5. Boulder Rez Half
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Past DateApr 13, 2024Saturday
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13.1M, 10K, 5K run
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Boulder, CO
31 miles point to pointBoulder County, CO
6. The Diabetes Link at CU 5K Run/Walk
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Past DateApr 13, 2024Saturday
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5K run
More Information
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Boulder, CO
31 miles point to pointBoulder County, CO
7. All-Out Beat the Heat
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Apr 19, 2025Saturday
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13.1M, 10K, 5K run
Virtual OptionMore Information
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Boston Marathon Qualifier
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Westminster, CO
15 miles point to pointAdams County, COJefferson County, CO
8. South Boulder Creek parkrun
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Apr 19, 2025Saturday
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5K run
More Information
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Boulder, CO
31 miles point to pointBoulder County, CO
9. Five Star Fun Run and 5K
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Past DateApr 20, 2024Saturday
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5K, 1M run
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Brighton, CO
28 miles point to pointAdams County, CO
10. Time Travel Half Marathon
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Past DateApr 20, 2024Saturday
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13.1M, 10K, 5K run
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Westminster, CO
15 miles point to pointAdams County, COJefferson County, CO
11. Runs With Scissors Races
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Apr 26, 2025Saturday
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50K, 26.2M, 13.1M run
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Brighton, CO
28 miles point to pointAdams County, CO
12. SOAR 5K
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Apr 26, 2025Saturday
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5K run | kids run
More Information
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Golden, CO
14 miles point to pointJefferson County, CO
13. South Boulder Creek parkrun
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Apr 26, 2025Saturday
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5K run
More Information
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Boulder, CO
31 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.