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Half Marathons Found In Colorado in March
View all ↓Half Marathons in Colorado in March 2026
Find A Race is the US's favourite event listings site. Check out our list of March 2026 Half Marathons in Colorado below.
Race Calendar: Half Marathons Found In March
🚀Boosted
The Colorado Marathon
Fort Collins, Colorado
04 May 25 - 03 May 26
$32.80 - $379.00
🚀Boosted
Fifty States Half Marathon Club General Membership
Colorado Springs, Colorado
02 May 24 - 02 Apr 34
$91.10
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Fifty States Half Marathon Club General Membership
Colorado Springs, Colorado
02 May 24 - 02 Apr 34
$91.10
2026 Team CKF Running Series
Aspen, Colorado
24 Jan 26 - 18 Apr 26
Free
All-Out Spring Fever
Golden, Colorado
22 Mar 26
$27.50 - $64.60
Platte River Half-Marathon and Relay
Littleton, Colorado
13 Apr 25 - 12 Apr 26
$80.50 - $268.75
The Colorado Marathon
Fort Collins, Colorado
04 May 25 - 03 May 26
$32.80 - $379.00
Showing 1-5 of 5 results