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Half Marathons Found In Colorado in Spring
View all ↓Half Marathons in Colorado in Spring 2026
Find A Race is the US's favourite event listings site. Check out our list of Spring 2026 Half Marathons in Colorado below.
Race Calendar: Half Marathons Found In Spring
πBoosted
The Colorado Marathon
Fort Collins, Colorado
03 May 26
$38.10 - $138.80
πBoosted
Always Hope Easter Run 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
04 Apr 26
$32.80 - $48.70
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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
St. Paddy's Day Lucky Run 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
14 Mar 26
$32.80 - $48.70
All-Out Spring Fever
Golden, Colorado
22 Mar 26
$27.50 - $64.60
Always Hope Easter Run 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
04 Apr 26
$32.80 - $48.70
Spring Fling Prairie Dog Half, 10k, & 5k
Arvada, Colorado
12 Apr 26
Free - $75.00
All-Out Beat the Heat
Westminster, Colorado
18 Apr 26
$27.50 - $64.60
Coffee Lovers Run 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
25 Apr 26
$32.80 - $48.70
Longmont Half & 5k (LM Half)
Longmont, Colorado
03 May 26
$35.00 - $60.00
Platte River Half-Marathon and Relay
Littleton, Colorado
12 Apr 26
$75.20 - $165.30
Horsetooth Half Marathon
Fort Collins, Colorado
19 Apr 26
$43.40
The Colorado Marathon
Fort Collins, Colorado
03 May 26
$38.10 - $138.80
Showing 1-12 of 12 results