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Marathons Found In Colorado in Spring
View all ↓Marathons in Colorado in Spring 2025
Find A Race is the US's favourite event listings site. Check out our list of Spring 2025 Marathons in Colorado below.
Race Calendar: Marathons Found In Spring
St. Paddy's Day Lucky Run 5K/10K/13.1 DENVER/AURORA
Aurora, Colorado
15 Mar 25
$32.80 - $48.70
Arbor Day Run Green 5K/10K/13.1 DENVER/AURORA
Aurora, Colorado
15 Mar 25
$32.80 - $48.70
Fox Trot Hybrid Race DENVER/AURORA
Aurora, Colorado
29 Mar 25
$27.50 - $42.34
Run DENVER/AURORA "The Mile High City" 5K/10K/13.1 Hybrid Race
Aurora, Colorado
29 Mar 25
$27.50 - $42.34
Platte River Half-Marathon and Relay
Littleton, Colorado
13 Apr 25
$96.40 - $207.70
Always Hope Easter Run 5K/10K/13.1 DENVER/AURORA
Aurora, Colorado
19 Apr 25
$32.80 - $48.70
Earth Day: Run GREEN 5K/10K/13.1 DENVER/AURORA
Aurora, Colorado
19 Apr 25
$32.80 - $48.70
Cinco De Mayo Run: Against All Odds DENVER/AURORA
Aurora, Colorado
03 May 25
$32.80 - $48.70
Sloth Runners Race 5K/10K/13.1 DENVER/AURORA
Aurora, Colorado
03 May 25
$32.80 - $48.70
Showing 1-9 of 9 results