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Half Marathons Found In Colorado
View all ↓Half Marathons in Colorado 2026 - 2027
The most comprehensive list of Half Marathons in and near Colorado in 2026 - 2027. 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
πBoosted
Time to Paddy 5K/10K & Lucky 13.1 13.1 - Denver
Denver, Colorado
Sat 06 Mar 27
Free - $65.46
πBoosted
Run for Donuts DENVER/AURORA
Centennial, Colorado
Sat 24 Apr 27
$32.80 - $48.70
Feature your event at the top of the results
All-Out Fall Fest
Westminster, Colorado
Sat 18 Sep 27
$22.20 - $69.90
Spooky Sprint - Denver
Denver, Colorado
Sat 02 Oct 27
Free - $59.10
Colorado Springs Marathon, Half, 5K, and Kids K
Colorado Springs, Colorado
Sat 02 Oct 27
Free - $535.35
Windsor Marathon, Half Marathon, 10k, 5k & 1 Mile Run
Windsor, Colorado
Sun 03 Oct 27
$25.00 - $100.00
Spooky Sprint - Colorado Springs
Colorado Springs, Colorado
Sun 03 Oct 27
Free - $46.28
Westy Half & 5k
Westminster, Colorado
Sun 10 Oct 27
$39.00 - $64.00
All-Out Kooky-Spooky
Golden, Colorado
Sun 31 Oct 27
$22.20 - $69.90
50 States Half Marathon Club Life Membership
Colorado Springs, Colorado
Fri 25 Apr 31
50 States Half Marathon Club Life Membership
Colorado Springs, Colorado
Sat 26 Apr 31
Platte River Half-Marathon, Relay & 5k
Littleton, Colorado
Sun 12 Apr 26 - Sun 11 Apr 27
$38.10 - $268.75
The Colorado Marathon
Fort Collins, Colorado
Sun 03 May 26 - Sun 02 May 27
$38.10 - $421.00
Super Mom 5K/10K/Half - Colorado Springs
Colorado Springs, Colorado
Sun 09 May 27
$33.60 - $65.20
Slacker Half Marathon-Relay-4-Mile Races
Georgetown, Colorado
Sat 26 Jun 27
$38.10 - $96.40
Popsicle 5K/10K/Half - Colorado Springs
Colorado Springs, Colorado
Sat 31 Jul 27
$28.60 - $54.10
Bound for Boston Marathon & Half Marathon - Denver
Denver, Colorado
Sun 01 Aug 27
Free - $81.50
TBK Bank Thirsty 13 Half Marathon
Durango, Colorado
Sat 28 Aug 27
$95.34 - $132.44
Autumn Run
Buena Vista, Colorado
Sat 18 Sep 27
Free - $102.91
Showing 81-97 of 97 results