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Half Marathons Found In Colorado
View all ↓Half Marathons in Colorado 2024 - 2025
The most comprehensive list of Half Marathons in and near Colorado in 2024 - 2025. Find your perfect race!
Ready to take on a new challenge? If you're in Colorado and seeking half marathon races in neighboring states, look no further. Discover our calendars of:
Find your next great goal to chase at findarace, and choose from an extensive list of runs, swims, and cycles all over the US.
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Race Calendar: Half Marathons Found In Colorado
Fifty States Half Marathon Club General Membership
Colorado Springs, Colorado
02 May 24 - 02 Apr 34
$91.10
All-Out Fa La La
Westminster, Colorado
07 Dec 24
$43.40 - $80.50
Rock Canyon Half Marathon
Pueblo, Colorado
08 Dec 24
$43.40 - $59.30
All-Out Polar Prowl
Arvada, Colorado
11 Jan 25
$11.60 - $80.50
Arctic Prairie Dog Half, 10k & 5k
Louisville, Colorado
19 Jan 25
$40.00 - $80.00
Chilly Willy 5K/10K/Half Marathon-Colorado Springs
Colorado Springs, Colorado
25 Jan 25
$33.60 - $65.20
Super Half Marathontrade mark & Game Day 5Ktrade mark Presented by Toyota
Colorado Springs, Colorado
09 Feb 25
$38.10 - $75.20
Stories Trail Runs
Colorado Springs, Colorado
16 Feb 25
$54.00 - $170.60
Ralston Creek Half Marathon & 5k
Arvada, Colorado
16 Feb 25
$27.50 - $144.10
All-Out Mardi Crawl
Arvada, Colorado
22 Feb 25
$32.80 - $69.90
2025 Team CKF Running Series
Aspen, Colorado
22 Feb 25 - 25 Oct 25
Free
Time to Paddy 5k/10k & Lucky 13.1 - Denver
Denver, Colorado
01 Mar 25
$18.83 - $54.28
Time to Paddy 5k/10k & Lucky 13.1 - Colorado Springs
Colorado Springs, Colorado
02 Mar 25
$18.83 - $54.28
20th Annual Run Through Time Trail Marathon and Half Marathon
Salida, Colorado
08 Mar 25
$16.90 - $85.80
All-Out Spring Fever
Golden, Colorado
23 Mar 25
$32.80 - $69.90
Platte River Half-Marathon and Relay
Littleton, Colorado
13 Apr 25
$85.80 - $186.50
Three Creeks Half Marathon
Englewood, Colorado
13 Apr 25
$69.90 - $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
$101.70
All-Out Beat the Heat
Westminster, Colorado
19 Apr 25
$32.80 - $69.90
NoCo Half Marathon & 10K
Loveland, Larimer County
26 Apr 25
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
$43.40 - $154.70
Longmont Half & 5k (LM Half)
Longmont, Colorado
04 May 25
$39.00 - $64.60
DoNot Stop Half Marathon (5k/10k) - Denver
Denver, Colorado
10 May 25
$18.83 - $44.28
Donot Stop Half Marathon (5k/10k) - Colorado Springs
Colorado Springs, Colorado
11 May 25
$18.83 - $44.28
Colorado 13er (Half Marathon/10k/5k)
Louisville, Colorado
01 Jun 25
$33.50 - $64.60
All-Out Summer Breeze
Arvada, Colorado
07 Jun 25
$27.50 - $64.60
Red, White and Brew 5k, 10k, Half Marathon & 12 Hour Last Man Standing
Windsor, Colorado
21 Jun 25
$16.90 - $101.70
Hometown Half Marathon & 5k/10k - Denver
Denver, Colorado
21 Jun 25
$18.83 - $44.28
Hometown Half Marathon & 5k/10k - Colorado Springs
Colorado Springs, Colorado
22 Jun 25
$18.83 - $44.28
The Alma Foundation Race in the Clouds Dirt Festival
Alma, Colorado
10 Jul 25 - 13 Jul 25
Free - $69.90
All-Out Dog Days
Westminster, Colorado
12 Jul 25
$27.50 - $64.60
Aspen Valley Marathon
Aspen, Colorado
19 Jul 25
$54.25 - $186.75
Summer Splash Prairie Dog Half, 10k, & 5k
Castle Rock, Colorado
19 Jul 25
$35.00 - $75.00
All-Out Runapalooza
Arvada, Colorado
02 Aug 25
$27.50 - $64.60
Erie Half & 5k
Erie, Colorado
17 Aug 25
$33.50 - $59.30
Labor Day Half Marathon
Parker, Colorado
01 Sep 25
$34.40 - $77.60
All-Out Fall Fest
Westminster, Colorado
13 Sep 25
$27.50 - $64.60
Showing 1-40 of 52 results