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Half Marathons Found In Colorado in Fall
View all ↓Half Marathons in Colorado in Fall 2025
Find A Race is the US's favourite event listings site. Check out our list of Fall 2025 Half Marathons in Colorado below.
Race Calendar: Half Marathons Found In Fall
πBoosted
Denver, CO Galloway Training Program
Denver, Colorado
Sat 20 Apr 24 - Wed 05 Nov 25
$91.10 - $274.00
πBoosted
Run for Coffee Lovers 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
Sat 29 Nov 25
$32.80 - $48.70
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Denver, CO Galloway Training Program
Denver, Colorado
Sat 20 Apr 24 - Wed 05 Nov 25
$91.10 - $274.00
Fifty States Half Marathon Club General Membership
Colorado Springs, Colorado
Thu 02 May 24 - Sun 02 Apr 34
$91.10
2025 Team CKF Running Series
Aspen, Colorado
Sat 22 Feb 25 - Tue 30 Dec 25
Free
Colorado Springs Marathon, Half, 5K, and Kids K
Colorado Springs, Colorado
Sat 04 Oct 25 - Sat 03 Oct 26
Free - $535.35
The Long View Marathon
Fort Collins, Colorado
Sat 11 Oct 25
$48.70 - $128.20
Breckenridge Road Marathon
Breckenridge, Colorado
Sat 11 Oct 25
$32.80 - $144.10
Westy Half & 5k
Westminster, Colorado
Sun 12 Oct 25
$50.00 - $75.00
Pedal 4 Possible: At the Raceway
Golden, Colorado
Sat 18 Oct 25
$54.00 - $128.20
Mancos Cowboy Half Marathon, 5K, and Fun Run
Mancos, Colorado
Sat 18 Oct 25
Free - $91.10
Halloween Trick or Trot Run 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
Sat 01 Nov 25
$32.80 - $52.94
Run DENVER/AURORA "The Mile High City" 5K/10K/13.1 FALL
Centennial, Colorado
Sat 01 Nov 25
$32.80 - $52.94
All-Out Kooky-Spooky
Golden, Colorado
Sun 02 Nov 25
$43.40 - $80.50
HRCA Backcountry Wilderness Half Marathon
Lone Tree, Colorado
Sat 08 Nov 25
$80.75
Veterans Day Freedom Run 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
Sat 15 Nov 25
$32.80 - $52.94
Bed to 5K/10K/13.1 Snoozers Run DENVER/AURORA
Centennial, Colorado
Sat 15 Nov 25
$32.80 - $52.94
10k Turkey Trek & 5k Turkey Trot - Now With HALF MARATHON DISTANCE!
Arvada, Colorado
Sat 22 Nov 25
$29.00 - $74.00
Run for Coffee Lovers 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
Sat 29 Nov 25
$32.80 - $48.70
Thanksgiving Turkey Gobble Trot 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
Sat 29 Nov 25
$32.80 - $48.70
Rim to Rim Royal Gorge Races: 5K Road Run, Trail 8 Mile, Trail Half Marathon
Canon City, Colorado
Sat 20 Sep 25 - Sun 07 Dec 25
Free - $197.10
Run Against Breast Cancer 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
Sat 18 Oct 25
$32.80 - $52.94
International Sloth Day Run 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
Sat 18 Oct 25
$32.80 - $52.94
2025 Rim Rock Marathon and Half Marathon
Fruita, Mesa
Sun 02 Nov 25
$122.09 - $132.69
Showing 1-22 of 22 results