January Classic Races within 50 miles of Boulder, CO
Thornton, CO
RMRR Trophy Series - January
Jan 7, 2024
Denver, CO
Polar Bear 5K
Jan 21, 2024
Westminster, CO
Six Pack Series Winter Westminster 1 Mile and 5K
Jan 4, 2025
Six Pack Series Winter Westminster 2 Mile and 5K
Jan 11, 2025
Six Pack Series Winter Westminster 5K
Jan 25, 2025
Louisville, CO
Arctic Prairie Dog Half
Jan 19, 2025
Boulder, CO
BRR Masters Invite Indoor Mile
Jan 13, 2024
South Boulder Creek parkrun
Mar 22, 2025
Mar 29, 2025
Apr 5, 2025
Apr 12, 2025
48 more
Brighton, CO
The Day Quest - Fast 5K - Riverdale
Jan 8, 2024
Lakewood, CO
Yeti Chase 5K/10K
Jan 26, 2025
Fort Collins, CO
Polar 5K & Polar Bear Plunge
Jan 25, 2025
Sat | Sun | Mon | Tue | Wed | Thu | Fri | Multiple |
1. Resolute Runner 5K
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Jan 1, 2025Wednesday
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5K run
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Arvada, CO
18 miles point to pointJefferson County, CO
2. Six Pack Series Winter Westminster 1 Mile and 5K
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Jan 4, 2025Saturday
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5K, 1M run
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Westminster, CO
17 miles point to pointAdams County, COJefferson County, CO
3. South Boulder Creek parkrun
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Jan 4, 2025Saturday
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5K run
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Boulder, CO
Boulder County, CO
4. RMRR Trophy Series - January
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Past DateJan 7, 2024Sunday
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10K, 5K run
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Thornton, CO
19 miles point to pointAdams County, CO
5. The Day Quest - Fast 5K - Riverdale
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Past DateJan 8, 2024Monday
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5K run
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Brighton, CO
24 miles point to pointAdams County, CO
6. All-Out Polar Prowl
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Jan 11, 2025Saturday
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13.1M, 10K, 5K run
Virtual OptionMore Information
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Arvada, CO
18 miles point to pointJefferson County, CO
7. Six Pack Series Winter Westminster 2 Mile and 5K
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Jan 11, 2025Saturday
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5K, 2M run
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Westminster, CO
17 miles point to pointAdams County, COJefferson County, CO
8. South Boulder Creek parkrun
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Jan 11, 2025Saturday
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5K run
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Boulder, CO
Boulder County, CO
9. BRR Masters Invite Indoor Mile
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Past DateJan 13, 2024Saturday
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1M run
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Boulder, CO
Boulder County, CO
10. South Boulder Creek parkrun
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Jan 18, 2025Saturday
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5K run
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Boulder, CO
Boulder County, CO
11. Arctic Prairie Dog Half - Westminster
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Jan 19, 2025Sunday
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13.1M, 10K, 5K run
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Louisville, CO
8 miles point to pointBoulder County, CO
12. Polar Bear 5K
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Past DateJan 21, 2024Sunday
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5K run | kids run
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Denver, CO
24 miles point to pointDenver County, CO
13. Polar 5K & Polar Bear Plunge
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Jan 25, 2025Saturday
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5K run
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Fort Collins, CO
41 miles point to pointLarimer County, CO
14. Six Pack Series Winter Westminster 5K
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Jan 25, 2025Saturday
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5K run
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Westminster, CO
17 miles point to pointAdams County, COJefferson County, CO
15. South Boulder Creek parkrun
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Jan 25, 2025Saturday
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5K run
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Boulder, CO
Boulder County, CO
16. Yeti Chase 5K/10K
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Jan 26, 2025Sunday
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10K, 5K run
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Lakewood, CO
24 miles point to pointJefferson 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.