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Half Marathons Found In Fort Collins, Colorado
View all ↓Half Marathons in & near Fort Collins, Colorado 2025 - 2026
The most comprehensive list of Half Marathons in and near Fort Collins, Colorado in 2025 - 2026. Find your perfect race!
Race Calendar: Half Marathons Found In Fort Collins, Colorado
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Valentines Live, Love, RUN 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
14 Feb 26
$32.80 - $48.70
🚀Boosted
Run Against Breast Cancer 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
13 Dec 25
$32.80 - $48.70
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Mancos Cowboy Half Marathon, 5K, and Fun Run
Mancos, Colorado
18 Oct 25
Free - $69.90
Pedal 4 Possible: At the Raceway
Golden, Colorado
18 Oct 25
$54.00 - $128.20
Run DENVER/AURORA "The Mile High City" 5K/10K/13.1 FALL
Centennial, Colorado
01 Nov 25
$32.80 - $48.70
Halloween Trick or Trot Run 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
01 Nov 25
$32.80 - $48.70
All-Out Kooky-Spooky
Golden, Colorado
02 Nov 25
$43.40 - $80.50
HRCA Backcountry Wilderness Half Marathon
Lone Tree, Colorado
08 Nov 25
$64.85
Bed to 5K/10K/13.1 Snoozers Run DENVER/AURORA
Centennial, Colorado
15 Nov 25
$32.80 - $48.70
Veterans Day Freedom Run 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
15 Nov 25
$32.80 - $48.70
10k Turkey Trek & 5k Turkey Trot - Now With HALF MARATHON DISTANCE!
Arvada, Colorado
22 Nov 25
$29.00 - $69.00
Run for Coffee Lovers 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
29 Nov 25
$32.80 - $48.70
Thanksgiving Turkey Gobble Trot 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
29 Nov 25
$32.80 - $48.70
All-Out Fa La La
Westminster, Colorado
06 Dec 25
$32.80 - $69.90
Rock Canyon Half Marathon
Pueblo, Colorado
07 Dec 25
$38.10 - $59.30
5.0
Run Against Breast Cancer 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
13 Dec 25
$32.80 - $48.70
Run for Mental Health 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
13 Dec 25
$32.80 - $48.70
A Merry Christmas Run 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
27 Dec 25
$32.80 - $48.70
New Year's Run 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
27 Dec 25
$32.80 - $48.70
Sunrise Marathon 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
03 Jan 26
$32.80 - $48.70
New Year New Me Run 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
03 Jan 26
$32.80 - $48.70
All-Out Polar Prowl
Arvada, Colorado
10 Jan 26
$32.80 - $69.90
Run for Donuts 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
17 Jan 26
$32.80 - $48.70
MLK Freedom Run 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
17 Jan 26
$32.80 - $48.70
Arctic Prairie Dog Half, 10k & 5k
Louisville, Colorado
18 Jan 26
$40.00 - $80.00
2026 Team CKF Running Series
Aspen, Colorado
24 Jan 26 - 18 Apr 26
Free
Chilly Willy 5K/10K/Half Marathon-Colorado Springs
Colorado Springs, Colorado
24 Jan 26
$23.60 - $54.10
Run for Coffee Lovers 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
07 Feb 26
$32.80 - $48.70
Lunar New Year Run 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
07 Feb 26
$32.80 - $48.70
Valentines Live, Love, RUN 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
14 Feb 26
$32.80 - $48.70
All-Out Mardi Crawl
Arvada, Colorado
22 Feb 26
$27.50 - $64.60
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
Platte River Half-Marathon and Relay
Littleton, Colorado
12 Apr 26
$75.20 - $165.30
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
Horsetooth Half Marathon
Fort Collins, Colorado
19 Apr 26
$80.50
Coffee Lovers Run 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
25 Apr 26
$32.80 - $48.70
Runs With Scissors Races
Brighton, Colorado
25 Apr 26
$38.10 - $85.80
The Colorado Marathon
Fort Collins, Colorado
03 May 26
$38.10 - $138.80
Longmont Half & 5k (LM Half)
Longmont, Colorado
03 May 26
$45.00 - $70.00
Showing 41-80 of 95 results
