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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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10k Turkey Trek & 5k Turkey Trot - Now With HALF MARATHON DISTANCE!
Arvada, Colorado
Sat 22 Nov 25
$29.00 - $74.00
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DoNot Stop Half Marathon (5k/10k) - Denver
Littleton, Colorado
Sun 19 Apr 26
$20.83 - $46.28
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Time to Paddy 5k/10k & Lucky 13.1 - Colorado Springs
Colorado Springs, Colorado
Sun 01 Mar 26
$20.83 - $50.28
St. Paddy's Day Lucky Run 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
Sat 14 Mar 26
$32.80 - $48.70
All-Out Spring Fever
Golden, Colorado
Sun 22 Mar 26
$27.50 - $64.60
Always Hope Easter Run 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
Sat 04 Apr 26
$32.80 - $48.70
Platte River Half-Marathon and Relay
Littleton, Colorado
Sun 12 Apr 26
$75.20 - $165.30
Spring Fling Prairie Dog Half, 10k, & 5k
Arvada, Colorado
Sun 12 Apr 26
Free - $75.00
Donot Stop Half Marathon (5k/10k) - Colorado Springs
Colorado Springs, Colorado
Sat 18 Apr 26
$20.83 - $46.28
Spring Fling - Austin
Del Valle, Texas
Sat 18 Apr 26
$18.98 - $54.31
All-Out Beat the Heat
Westminster, Colorado
Sat 18 Apr 26
$27.50 - $64.60
DoNot Stop Half Marathon (5k/10k) - Denver
Littleton, Colorado
Sun 19 Apr 26
$20.83 - $46.28
Horsetooth Half Marathon - Presented by Fort Collins Connexion
Fort Collins, Colorado
Sun 19 Apr 26
$101.70
Coffee Lovers Run 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
Sat 25 Apr 26
$32.80 - $48.70
Runs With Scissors Races
Brighton, Colorado
Sat 25 Apr 26
$38.10 - $85.80
The Colorado Marathon
Fort Collins, Colorado
Sun 03 May 26
$43.40 - $149.40
Longmont Half & 5k (LM Half)
Longmont, Colorado
Sun 03 May 26
$45.00 - $70.00
Hometown Half Marathon & 5k/10k - Colorado Springs
Colorado Springs, Colorado
Sat 09 May 26
$20.83 - $46.28
Hometown Half Marathon & 5k/10k - Denver
Denver, Colorado
Sun 10 May 26
$20.83 - $46.28
Colorado 13er (Half Marathon/10k/5k)
Louisville, Colorado
Sun 07 Jun 26
$35.00 - $65.00
The Steamboat Marathon
Steamboat Springs, Colorado
Sun 07 Jun 26
$76.40 - $135.25
All-Out Summer Breeze
Arvada, Colorado
Sat 13 Jun 26
$27.50 - $64.60
Red, White and Brew 5k, 10k, Half Marathon & 12 Hour Last Person Standing
Windsor, Colorado
Sat 20 Jun 26
$16.90 - $122.90
Race in the Clouds - Alma Dirt Festival 2026
Alma, Colorado
Sat 27 Jun 26
$32.80 - $101.70
All-Out Dog Days
Westminster, Colorado
Sat 11 Jul 26
$27.50 - $64.60
Summer Splash Prairie Dog Half, 10k, & 5k
Castle Rock, Colorado
Sat 18 Jul 26
$30.00 - $65.00
4.0
Erie Half & 5k
Erie, Colorado
Sun 16 Aug 26
$33.50 - $59.30
Byers Peak Stampede Half Marathon & 5K Run
Fraser, Colorado
Sat 22 Aug 26
$48.70 - $69.90
Labor Day Half Marathon
Parker, Colorado
Mon 07 Sep 26
$34.40 - $77.60
All-Out Fall Fest
Westminster, Colorado
Sat 19 Sep 26
$27.50 - $64.60
Pioneer Prairie Dog Half, 10k & 5k
Westminster, Colorado
Sat 26 Sep 26
Free - $65.00
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
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
21st Annual Run Through Time Trail Marathon and Half Marathon
Salida, Colorado
Sat 14 Mar 26
$16.90 - $85.80
Great Western Trail Race
Severance, Colorado
Sat 18 Apr 26
$16.90 - $69.90
TBK Bank Thirsty 13 Half Marathon
Durango, Colorado
Sat 29 Aug 26
$91.10 - $127.14
Autumn Run
Buena Vista, Colorado
Sat 19 Sep 26
$33.53 - $97.58
Showing 41-79 of 79 results
