March 5Ks within 50 miles of Brighton, CO
Thornton, CO
Lucky Dog Dash
Mar 2, 2024
Greeley, CO
Run for Women to Women
Mar 23, 2024
Golden, CO
All-Out Spring Fever
Mar 23, 2025
Lyons, CO
Lucky Lyons
Mar 9, 2024
Highlands Ranch, CO
HRCA St. Patrick's Day 5K
Mar 23, 2024
Boulder, CO
South Boulder Creek parkrun
Mar 22, 2025
Mar 29, 2025
Apr 5, 2025
Apr 13, 2024
48 more
Lucky Leprechaun 5K
Mar 16, 2025
Windsor, CO
Lucky Brew Race
Mar 16, 2024
Greenwood Village, CO
That Dam Run
Mar 3, 2024
Lakewood, CO
Ram Run 5K
Mar 30, 2024
Fort Collins, CO
Sharin' O' the Green 5K
Mar 16, 2024
CSU International Run for Relief 5K
Mar 23, 2024
Spring Equinox Races
Mar 24, 2024
Sat | Sun | Mon | Tue | Wed | Thu | Fri | Multiple |
1. South Boulder Creek parkrun
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Mar 1, 2025Saturday
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5K run
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Boulder, CO
24 miles point to pointBoulder 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
12 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
26 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
19 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
24 miles point to pointBoulder County, CO
6. Lucky Lyons
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Past DateMar 9, 2024Saturday
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10K, 5K run
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Lyons, CO
29 miles point to pointBoulder County, CO
7. South Boulder Creek parkrun
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Mar 15, 2025Saturday
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5K run
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Boulder, CO
24 miles point to pointBoulder County, CO
8. 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
34 miles point to pointWeld County, CO
9. Lucky Leprechaun 5K
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Mar 16, 2025Sunday
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5K run
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Boulder, CO
24 miles point to pointBoulder County, CO
10. ShamROCK Stampede
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Past DateMar 16, 2024Saturday
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10K, 5K run
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Castle Rock, CO
42 miles point to pointDouglas County, CO
11. 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
44 miles point to pointLarimer County, CO
12. South Boulder Creek parkrun
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Mar 22, 2025Saturday
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5K run
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Boulder, CO
24 miles point to pointBoulder County, CO
13. 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
27 miles point to pointJefferson County, CO
14. Central Park 5K
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Mar 23, 2025Sunday
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5K run
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Denver, CO
19 miles point to pointDenver County, CO
15. 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
44 miles point to pointLarimer County, CO
16. 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
31 miles point to pointDouglas County, CO
17. 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
31 miles point to pointWeld County, CO
18. 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
44 miles point to pointLarimer County, CO
19. South Boulder Creek parkrun
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Mar 29, 2025Saturday
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5K run
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Boulder, CO
24 miles point to pointBoulder County, CO
20. Eggstravaganza Challenge 5K
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Past DateMar 30, 2024Saturday
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5K run
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Castle Rock, CO
42 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.