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Half Marathons Found In Colorado in Spring
View all ↓Half Marathons in Colorado in Spring 2025
Find A Race is the US's favourite event listings site. Check out our list of Spring 2025 Half Marathons in Colorado below.
Race Calendar: Half Marathons Found In Spring
Denver, CO Galloway Training Program
Denver, Colorado
20 Apr 24 - 15 Apr 25
$91.10 - $274.00
Fifty States Half Marathon Club General Membership
Colorado Springs, Colorado
02 May 24 - 02 Apr 34
$91.10
Slacker Half Marathon-Relay-4-Mile Races
Georgetown, Colorado
01 Jan 25 - 27 Jun 25
$38.10 - $80.50
2025 Team CKF Running Series
Aspen, Colorado
22 Feb 25 - 25 Oct 25
Free
Time to Paddy 5k/10k & Lucky 13.1 - Denver
Morrison, Colorado
01 Mar 25
$18.83 - $63.34
Time to Paddy 5k/10k & Lucky 13.1 - Colorado Springs
Colorado Springs, Colorado
02 Mar 25
$18.83 - $63.34
20th Annual Run Through Time Trail Marathon and Half Marathon
Salida, Colorado
08 Mar 25
$16.90 - $96.40
All-Out Spring Fever
Golden, Colorado
23 Mar 25
$43.40 - $80.50
Spring Equinox
Wellington, Colorado
23 Mar 25
$39.03 - $97.60
Platte River Half-Marathon and Relay
Littleton, Colorado
13 Apr 25
$96.40 - $207.70
Three Creeks Half Marathon
Englewood, Colorado
13 Apr 25
$75.20 - $107.00
Spring Fling Prairie Dog Half, 10k, & 5k
Arvada, Colorado
13 Apr 25
Free - $80.00
Horsetooth Half Marathon
Fort Collins, Colorado
13 Apr 25
$112.30
All-Out Beat the Heat
Westminster, Colorado
19 Apr 25
$43.40 - $80.50
Great Western Trail Race
Severance, Colorado
19 Apr 25
$16.90 - $69.90
Bigfoot Half Marathon
Estes Park, Colorado
26 Apr 25
$54.75 - $118.95
Runs With Scissors Races
Brighton, Colorado
26 Apr 25
$38.10 - $92.16
The Colorado Marathon
Fort Collins, Colorado
04 May 25
$48.70 - $379.00
Longmont Half & 5k (LM Half)
Longmont, Colorado
04 May 25
$45.00 - $70.00
DoNot Stop Half Marathon (5k/10k) - Denver
Littleton, Colorado
10 May 25
$18.83 - $48.28
Donot Stop Half Marathon (5k/10k) - Colorado Springs
Colorado Springs, Colorado
11 May 25
$18.83 - $48.28
Endure Trail Runs
Divide, Colorado
17 May 25 - 18 May 25
$75.20 - $191.80
Prairie Dog Run Series
Louisville, Colorado
26 Jan 25 - 27 Sep 25
$900.00
Showing 1-23 of 23 results