March Races in Colorado
Event Category
Click Here to find out what Classic, Multisport, and Variety mean.
To narrow your search by a distance or event type, you will need to select Classic, Multisport, or Variety first.
To narrow your search by a distance or event type, you will need to select Classic, Multisport, or Variety first.
21. America's Uphill
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Past DateMar 16, 2024Saturday
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2.5M run
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Aspen, CO
Pitkin County, CO
22. 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
23. Luck of the Irish 7K
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Past DateMar 16, 2024Saturday
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7K run
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Steamboat Springs, CO
Routt County, CO
24. 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
25. 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
26. 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
27. 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
28. 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
29. 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
30. 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
31. 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
Larimer County, CO
32. 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
Douglas County, CO
33. 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
Weld County, CO
34. The Day Quest - Flatirons Vista to Spring Brook
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Past DateMar 23, 2024Saturday
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7M trail run
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Boulder, CO
Boulder County, CO
35. War Dog Memorial 5K
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Past DateMar 23, 2024Saturday
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5K, 1M run
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Colorado Springs, CO
El Paso County, CO
36. RMRR Spring Marathon Training Series
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Past DateMar 24, 2024Sunday
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20M, 10M run
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Thornton, CO
Adams County, CO
37. 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
Larimer County, CO
38. Aspen parkrun
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Mar 29, 2025Saturday
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5K run
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Aspen, CO
Pitkin County, CO
39. 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
40. Eggstravaganza Challenge 5K
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Past DateMar 30, 2024Saturday
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5K run
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Castle Rock, CO
Douglas 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.