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Races in Colorado - March 2026

Browse 54+ upcoming races in Colorado for March 2026.

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Races in Colorado - March 2026

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Lee Martinez Park T&H 10K

Mar 1, 2026
Fort Collins, CO
503M
50°
23°
3%

Time to Paddy 5k/10k & Lucky 13.1 - Colorado Springs

Mar 1, 2026
Colorado Springs, CO
13.1M6.2M3.1M1M
50°
23°
1%

Louisville Winter Splash & Dash Series

Mar 1, 2026
Louisville, CO
1M
51°
24°
6%

Time to Paddy 5K/10K and Lucky 13.1

Mar 1, 2026
Colorado Springs, CO
13.1M10K5K1M
50°
23°
1%

That Dam Run

Mar 1, 2026
Aurora, CO
13.1M10K5K
48°
22°
2%

RMRR Trophy Series - March

Mar 1, 2026
Littleton, CO
5K
50°
20°
5%

Louisville Spring Splash & Dash Series

Mar 1, 2026
Louisville, CO
1M
51°
24°
6%

RMRR March Trophy Series

Mar 1, 2026
Littleton, CO
5K
50°
20°
5%

Run for Mental Health 5K/10K/13.1 DENVER/AURORA

Mar 7, 2026
Centennial, CO
13.1M10K5K1M
51°
25°
3%

4th Anniversary Beer and Donut Hole Miles

Mar 7, 2026
Arvada, CO
1M
53°
23°
5%

Nielson Two Mile Challenge

Mar 7, 2026
Colorado Springs, CO
2M
52°
25°
2%

SuperHeroes Run 5K/10K/13.1 DENVER/AURORA

Mar 7, 2026
Centennial, CO
13.1M10K5K1M
51°
25°
3%

Nielson Challenge

Mar 7, 2026
Colorado Springs, CO
2M
52°
25°
2%

LWC Run/Walk 5K Costa Rica Fundraiser

Mar 7, 2026
Denver, CO
3.1M
53°
24°
3%

Beer and Donut Hole Miles

Mar 7, 2026
Arvada, CO
1M
53°
23°
5%

Runnin' of the Green 7K

Mar 8, 2026
Denver, CO
4.3M
53°
25°
3%

Skidola, Telluride's Winter Uphill

Mar 13, 2026
Telluride, CO
1M
46°
25°
7%

Lucky Brew Race

Mar 14, 2026
Severance, CO
13.1M9.3M10K5K
56°
27°
3%

5K for St. Patrick's Day

Mar 14, 2026
Colorado Springs, CO
5K
56°
28°
2%

St. Paddy's Day Lucky Run 5K/10K/13.1 DENVER/AURORA

Mar 14, 2026
Centennial, CO
13.1M10K5K1M
55°
28°
4%
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