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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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Colorado 13er (Half Marathon/10k/5k)
Louisville, Colorado
Sun 07 Jun 26
$35.00 - $65.00
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Longmont Half & 5k (LM Half)
Longmont, Colorado
Sun 03 May 26
$50.00 - $75.00
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A Merry Christmas Run 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
Sat 27 Dec 25
$32.80 - $54.00
New Year's Run 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
Sat 27 Dec 25
$32.80 - $54.00
Sunrise Marathon 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
Sat 03 Jan 26
$32.80 - $48.70
New Year New Me Run 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
Sat 03 Jan 26
$32.80 - $48.70
RunningU/Horsetooth Half Marathon Training
Fort Collins, Colorado
Sun 04 Jan 26 - Sun 19 Apr 26
Free
All-Out Polar Prowl
Arvada, Colorado
Sat 10 Jan 26
$43.40 - $80.50
MLK Freedom Run 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
Sat 17 Jan 26
$32.80 - $48.70
Run for Donuts 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
Sat 17 Jan 26
$32.80 - $48.70
Arctic Prairie Dog 10k & 5k
Louisville, Colorado
Sun 18 Jan 26
$40.00 - $80.00
Lunar New Year Run 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
Sat 07 Feb 26
$32.80 - $48.70
Run for Coffee Lovers 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
Sat 07 Feb 26
$32.80 - $48.70
Valentines Live, Love, RUN 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
Sat 14 Feb 26
$32.80 - $48.70
Ralston Creek Half Marathon & 5k
Arvada, Colorado
Sun 15 Feb 26
$27.50 - $175.90
All-Out Mardi Crawl
Arvada, Colorado
Sun 22 Feb 26
$43.40 - $80.50
Time to Paddy 5k/10k & Lucky 13.1 - Denver
Denver, Colorado
Sat 28 Feb 26
$20.83 - $75.00
Lucky Brew Race 5K, 10K, 15k & Half Marathon
Severance, Colorado
Sat 14 Mar 26
$22.20 - $75.20
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
$32.80 - $69.90
Spring Equinox
Wellington, Colorado
Sun 29 Mar 26
$23.05 - $70.98
Always Hope Easter Run 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
Sat 04 Apr 26
$32.80 - $48.70
Three Creeks Half Marathon
Englewood, Colorado
Sun 05 Apr 26
$69.90 - $107.00
Spring Fling Prairie Dog Half, 10k, & 5k
Arvada, Colorado
Sun 12 Apr 26
$40.00 - $80.00
Platte River Half-Marathon and Relay
Littleton, Colorado
Sun 12 Apr 26
$43.40 - $186.50
All-Out Beat the Heat
Westminster, Colorado
Sat 18 Apr 26
$32.80 - $69.90
Great Western Trail Race
Severance, Colorado
Sat 18 Apr 26
$16.90 - $69.90
DoNot Stop Half Marathon (5k/10k) - Denver
Littleton, Colorado
Sun 19 Apr 26
$20.83 - $68.64
Horsetooth Half Marathon - Presented by Fort Collins Connexion
Fort Collins, Colorado
Sun 19 Apr 26
$101.70
Runs With Scissors Races
Brighton, Colorado
Sat 25 Apr 26
$38.10 - $96.40
Bigfoot Half Marathon
Estes Park, Colorado
Sat 25 Apr 26
$49.40 - $129.65
Coffee Lovers Run 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
Sat 25 Apr 26
$32.80 - $48.70
Longmont Half & 5k (LM Half)
Longmont, Colorado
Sun 03 May 26
$50.00 - $75.00
The Colorado Marathon
Fort Collins, Colorado
Sun 03 May 26
$43.40 - $149.40
Hometown Half Marathon & 5k/10k - Denver
Denver, Colorado
Sun 10 May 26
$20.83 - $68.64
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
Windsor, Colorado
Sat 20 Jun 26
$16.90 - $69.90
Heatwave Half Marathon - Denver
Denver, Colorado
Sat 11 Jul 26
$20.83 - $62.28
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
$40.00 - $80.00
4.0
Showing 1-40 of 60 results
