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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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Lucky Brew Race 5K, 10K, 15k & Half Marathon
Severance, Colorado
Sat 14 Mar 26
$22.20 - $85.80
🚀Boosted
Horsetooth Half Marathon - Presented by Fort Collins Connexion
Fort Collins, Colorado
Sun 19 Apr 26
$112.30
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Run for Donuts 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
Sat 17 Jan 26
$32.80 - $48.70
MLK Freedom Run 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
Free - $81.36
St. Paddy's Day Lucky Run 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
Sat 14 Mar 26
$32.80 - $48.70
Lucky Brew Race 5K, 10K, 15k & Half Marathon
Severance, Colorado
Sat 14 Mar 26
$22.20 - $85.80
All-Out Spring Fever
Golden, Colorado
Sun 22 Mar 26
$43.40 - $80.50
Spring Equinox
Wellington, Colorado
Sun 29 Mar 26
$39.03 - $96.54
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 - $207.70
Great Western Trail Race
Severance, Colorado
Sat 18 Apr 26
$16.90 - $69.90
All-Out Beat the Heat
Westminster, Colorado
Sat 18 Apr 26
$32.80 - $69.90
DoNot Stop Half Marathon (5k/10k) - Denver
Littleton, Colorado
Sun 19 Apr 26
$20.83 - $75.00
Horsetooth Half Marathon - Presented by Fort Collins Connexion
Fort Collins, Colorado
Sun 19 Apr 26
$112.30
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 - $96.40
Bigfoot Half Marathon
Estes Park, Colorado
Sat 25 Apr 26
$60.10 - $151.05
The Colorado Marathon
Fort Collins, Colorado
Sun 03 May 26
$54.00 - $421.00
Longmont Half & 5k (LM Half)
Longmont, Colorado
Sun 03 May 26
$55.00 - $80.00
Hometown Half Marathon & 5k/10k - Denver
Denver, Colorado
Sun 10 May 26
$20.83 - $68.64
Girls on the Run Rockies Colfax SoleMates 2026
Denver, Colorado
Sun 17 May 26
$25.00
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
$81.75 - $151.30
All-Out Summer Breeze
Arvada, Colorado
Sat 13 Jun 26
$32.80 - $69.90
Slacker Half Marathon-Relay-4-Mile Races
Georgetown, Colorado
Sat 20 Jun 26 - Sat 27 Jun 26
$38.10 - $112.30
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
Bound for Boston Marathon & Half Marathon - Denver
Denver, Colorado
Sun 02 Aug 26
$39.10 - $92.10
All-Out Runapalooza
Arvada, Colorado
Sat 08 Aug 26
$27.50 - $64.60
Run for PB& J 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
Sat 15 Aug 26
$32.80 - $48.70
Erie Half & 5k
Erie, Colorado
Sun 16 Aug 26
$44.00 - $69.90
Showing 1-40 of 61 results
