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Half Marathons Found In Fort Collins, Colorado
View all ↓Half Marathons in & near Fort Collins, Colorado 2026 - 2027
The most comprehensive list of Half Marathons in and near Fort Collins, Colorado in 2026 - 2027. Find your perfect race!
Race Calendar: Half Marathons Found In Fort Collins, Colorado
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Byers Peak Stampede Half Marathon & 5K Run
Fraser, Colorado
Sat 21 Aug 27
$48.70 - $69.90
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The Long View Marathon
Fort Collins, Colorado
Sat 10 Oct 26
$48.70 - $128.20
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Run for Chocolate 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
Sat 13 Feb 27
$32.80 - $48.70
Ralston Creek Half Marathon & 5k
Arvada, Colorado
Sun 14 Feb 27
$27.50 - $133.50
Run Together Against Breast Cancer DENVER/AURORA
Centennial, Colorado
Sat 27 Feb 27
$32.80 - $48.70
Run For Mental Health DENVER/AURORA
Centennial, Colorado
Sat 27 Feb 27
$32.80 - $48.70
Time to Paddy 5K/10K & Lucky 13.1 13.1 - Denver
Denver, Colorado
Sat 06 Mar 27
Free - $62.28
Lucky Brew Race 5K, 10K, 15k & Half Marathon
Severance, Colorado
Sun 14 Mar 27
$22.20 - $85.80
St. Paddy's Day Lucky Run 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
Sat 20 Mar 27
$32.80 - $48.70
Sunrise Marathon 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
Sat 20 Mar 27
$32.80 - $48.70
All-Out Spring Fever
Golden, Colorado
Sun 21 Mar 27
$22.20 - $69.90
Spring Equinox
Wellington, Colorado
Sun 21 Mar 27
$28.38 - $70.98
SuperHeroes Run DENVER/AURORA
Centennial, Colorado
Sat 27 Mar 27
$32.80 - $48.70
Always Hope Easter Run DENVER/AURORA
Centennial, Colorado
Sat 27 Mar 27
$32.80 - $48.70
Three Creeks Half Marathon
Englewood, Colorado
Sun 04 Apr 27
$69.90 - $107.00
Run for Bagels 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
Sat 10 Apr 27
$32.80 - $48.70
Spring Fling Prairie Dog Half, 10k, & 5k
Arvada, Colorado
Sun 11 Apr 27
$39.00 - $74.00
Platte River Half-Marathon, Relay & 5k
Littleton, Colorado
Sun 11 Apr 27
$43.40 - $165.30
Horsetooth Half Marathon - Presented by Fort Collins Connexion
Fort Collins, Colorado
Sun 18 Apr 27
$91.10
Bigfoot Half Marathon
Estes Park, Colorado
Sat 24 Apr 27
$49.40 - $129.65
All-Out Beat the Heat
Westminster, Colorado
Sat 24 Apr 27
$22.20 - $69.90
Coffee Lover Run DENVER/AURORA
Centennial, Colorado
Sat 24 Apr 27
$32.80 - $48.70
Run for Donut DENVER/AURORA
Centennial, Colorado
Sat 24 Apr 27
$32.80 - $48.70
DoNot Stop Half Marathon/5K/10K - Denver
Denver, Colorado
Sun 25 Apr 27
Free - $62.28
The Colorado Marathon
Fort Collins, Colorado
Sun 02 May 27
$48.70 - $170.60
Longmont Half & 5k (LM Half)
Longmont, Colorado
Sun 02 May 27
$39.00 - $64.00
Run for Chocolate 5k/10k/13.1 DENVER/AURORA
Centennial, Colorado
Sat 08 May 27
$32.80 - $48.70
Hometown Half Marathon/5K/10K - Denver
Denver, Colorado
Sun 09 May 27
Free - $62.28
Colorado 13er (Half Marathon/10k/5k)
Louisville, Colorado
Sun 06 Jun 27
$30.00 - $60.00
The Steamboat Marathon
Steamboat Springs, Colorado
Sun 06 Jun 27
Free - $140.60
All-Out Summer Breeze
Arvada, Colorado
Sat 12 Jun 27
$22.20 - $69.90
Red, White and Brew 5k, 10k & Half Marathon
Windsor, Colorado
Sat 19 Jun 27
$20.08 - $73.08
All-Out Dog Days
Westminster, Colorado
Sat 10 Jul 27
$22.20 - $69.90
Summer Splash Prairie Dog Half, 10k, & 5k
Castle Rock, Colorado
Sat 17 Jul 27
$39.00 - $74.00
4.0
All-Out Runapalooza
Arvada, Colorado
Sat 07 Aug 27
$22.20 - $69.90
Erie Half & 5k
Erie, Colorado
Sun 15 Aug 27
$39.00 - $64.00
Byers Peak Stampede Half Marathon & 5K Run
Fraser, Colorado
Sat 21 Aug 27
$48.70 - $69.90
Pioneer Prairie Dog Half, 10k & 5k
Westminster, Colorado
Sun 22 Aug 27
$39.00 - $74.00
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
Heatwave Half Marathon/5K/10K - Denver
Denver, Colorado
Sat 17 Jul 27
Free - $62.28
Bound for Boston Marathon & Half Marathon - Denver
Denver, Colorado
Sun 01 Aug 27
Free - $81.50
Showing 41-80 of 80 results
