March 5Ks in Colorado on Weekends
Thornton, CO
Lucky Dog Dash
Mar 2, 2024
Greeley, CO
Run for Women to Women
Mar 23, 2024
Colorado Springs, CO
Time to Paddy 5K/10K and Lucky 13.1
Mar 2, 2024
5K for St. Patrick's Day
Mar 16, 2024
War Dog Memorial 5K
Mar 23, 2024
Golden, CO
All-Out Spring Fever
Mar 23, 2025
Buena Vista, CO
Most Eggcellent 10K, 5K
Mar 30, 2024
Winter Park, CO
Alpenglow Bounce 5K
Mar 9, 2024
Pueblo, CO
Pueblo Spring Runoff
Mar 3, 2024
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 12, 2025
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
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
Adams County, CO
3. Time to Paddy 5K/10K and Lucky 13.1
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Past DateMar 2, 2024Saturday
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13.1M, 10K, 5K run | kids run
Virtual OptionMore Information
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Colorado Springs, CO
El Paso County, CO
4. Pueblo Spring Runoff
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Past DateMar 3, 2024Sunday
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10M, 10K, 5K run
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Pueblo, CO
Pueblo County, CO
5. That Dam Run
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Past DateMar 3, 2024Sunday
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13.1M, 10K, 5K run | kids run
More Information
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Greenwood Village, CO
Arapahoe County, CO
6. 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
Denver County, CO
7. 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
8. Alpenglow Bounce 5K
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Past DateMar 9, 2024Saturday
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5K run
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Winter Park, CO
Grand County, CO
9. Lucky Lyons
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Past DateMar 9, 2024Saturday
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10K, 5K run
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Lyons, CO
Boulder County, CO
10. 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
11. 5K for St. Patrick's Day
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Past DateMar 16, 2024Saturday
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5K run
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Colorado Springs, CO
El Paso County, CO
12. Krueger Family Shamrock Shuffle
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Past DateMar 16, 2024Saturday
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10K, 5K run | kids run
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Vail, CO
Eagle County, CO
13. 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
Weld County, CO
14. 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
15. ShamROCK Stampede
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Past DateMar 16, 2024Saturday
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10K, 5K run
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Castle Rock, CO
Douglas County, CO
16. 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
Larimer County, CO
17. 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
18. 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
Jefferson County, CO
19. Central Park 5K
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Mar 23, 2025Sunday
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5K run
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Denver, CO
Denver County, CO
20. CSU International Run for Relief 5K
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Past DateMar 23, 2024Saturday
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5K run
More Information
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Fort Collins, CO
Larimer 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.