March 5Ks within 50 miles of Boulder, CO
1. South Boulder Creek parkrun
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Mar 1, 2025Saturday
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5K run
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Boulder, CO
Boulder County, CO
2. Lucky Dog Dash
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Past DateMar 2, 2024Saturday
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5K run
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Thornton, CO
19 miles point to pointAdams County, CO
3. That Dam Run
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Past DateMar 3, 2024Sunday
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13.1M, 10K, 5K run | kids run
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Greenwood Village, CO
32 miles point to pointArapahoe County, CO
4. Time to Paddy 5K/10K and Lucky 13.1
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Past DateMar 3, 2024Sunday
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13.1M, 10K, 5K run | kids run
Virtual OptionMore Information
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Denver, CO
24 miles point to pointDenver County, CO
5. South Boulder Creek parkrun
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Mar 8, 2025Saturday
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5K run
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Boulder, CO
Boulder County, CO
6. Alpenglow Bounce 5K
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Past DateMar 9, 2024Saturday
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5K run
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Winter Park, CO
28 miles point to pointGrand County, CO
7. Lucky Lyons
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Past DateMar 9, 2024Saturday
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10K, 5K run
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Lyons, CO
15 miles point to pointBoulder County, CO
8. South Boulder Creek parkrun
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Mar 15, 2025Saturday
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5K run
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Boulder, CO
Boulder County, CO
9. Lucky Brew Race
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Past DateMar 16, 2024Saturday
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15K, 10K, 5K run | kids run
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Windsor, CO
38 miles point to pointWeld County, CO
10. Lucky Leprechaun 5K
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Mar 16, 2025Sunday
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5K run
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Boulder, CO
Boulder County, CO
11. ShamROCK Stampede
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Past DateMar 16, 2024Saturday
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10K, 5K run
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Castle Rock, CO
49 miles point to pointDouglas County, CO
12. Sharin' O' the Green 5K
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Past DateMar 16, 2024Saturday
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5K run | kids run
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Fort Collins, CO
41 miles point to pointLarimer County, CO
13. South Boulder Creek parkrun
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Mar 22, 2025Saturday
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5K run
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Boulder, CO
Boulder County, CO
14. All-Out Spring Fever
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Mar 23, 2025Sunday
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13.1M, 10K, 5K run
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Golden, CO
18 miles point to pointJefferson County, CO
15. Central Park 5K
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Mar 23, 2025Sunday
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5K run
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Denver, CO
24 miles point to pointDenver County, CO
16. CSU International Run for Relief 5K
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Past DateMar 23, 2024Saturday
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5K run
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Fort Collins, CO
41 miles point to pointLarimer County, CO
17. HRCA St. Patrick's Day 5K
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Past DateMar 23, 2024Saturday
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5K run
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Highlands Ranch, CO
36 miles point to pointDouglas County, CO
18. Run for Women to Women
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Past DateMar 23, 2024Saturday
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5K run
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Greeley, CO
41 miles point to pointWeld County, CO
19. Spring Equinox Races
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Past DateMar 24, 2024Sunday
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13.1M, 5K run
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Fort Collins, CO
41 miles point to pointLarimer County, CO
20. South Boulder Creek parkrun
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Mar 29, 2025Saturday
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5K run
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Boulder, CO
Boulder 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.