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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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Bigfoot Half Marathon
Estes Park, Colorado
Sat 25 Apr 26
$65.45 - $156.40
🚀Boosted
Red Feather Trail Jamboree
Red Feather Lakes, Colorado
Fri 25 Sep 26 - Sun 27 Sep 26
$96.40 - $295.00
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All-Out Spring Fever
Golden, Colorado
Sun 22 Mar 26
$48.70 - $85.80
Spring Equinox
Wellington, Colorado
Sun 29 Mar 26
$39.03 - $107.19
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
$91.10 - $128.20
Platte River Half-Marathon, Relay & 5k
Littleton, Colorado
Sun 12 Apr 26
$48.70 - $228.90
All-Out Beat the Heat
Westminster, Colorado
Sat 18 Apr 26
$43.40 - $80.50
Great Western Trail Race
Severance, Colorado
Sat 18 Apr 26
$16.90 - $69.90
DoNot Stop Half Marathon (5k/10k) - Denver
Westminster, Colorado
Sun 19 Apr 26
Free - $81.36
Horsetooth Half Marathon - Presented by Fort Collins Connexion
Fort Collins, Colorado
Sun 19 Apr 26
$112.30
Bigfoot Half Marathon
Estes Park, Colorado
Sat 25 Apr 26
$65.45 - $156.40
Runs With Scissors Races
Brighton, Colorado
Sat 25 Apr 26
$38.10 - $96.40
Coffee Lovers Run 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
Sat 25 Apr 26
$32.80 - $48.70
Blue Heron Half & 5K
Brighton, Colorado
Sun 26 Apr 26
$32.80 - $69.90
The Colorado Marathon
Fort Collins, Colorado
Sun 03 May 26
$59.30 - $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 - $75.00
Girls on the Run Rockies Colfax SoleMates 2026
Denver, Colorado
Sun 17 May 26
$27.50
2.2 for 22q Walk/Run/Ride 2026
Anywhere, Colorado
Sat 06 Jun 26 - Sun 14 Jun 26
$24.32 - $32.80
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
Red, White and Brew 5k, 10k & Half Marathon
Windsor, Colorado
Sat 20 Jun 26
$16.90 - $91.10
Slacker Half Marathon-Relay-4-Mile Races
Georgetown, Colorado
Sat 27 Jun 26
$38.10 - $128.20
Heatwave Half Marathon - Denver
Denver, Colorado
Sat 11 Jul 26
$20.83 - $68.64
All-Out Dog Days
Westminster, Colorado
Sat 11 Jul 26
$32.80 - $69.90
Summer Splash Prairie Dog Half, 10k, & 5k
Castle Rock, Colorado
Sat 18 Jul 26
$40.00 - $80.00
4.0
Rocky Mountain Half Marathon & 5K
Estes Park, Larimer
Fri 31 Jul 26 - Sat 01 Aug 26
$85.80 - $213.00
Bound for Boston Marathon & Half Marathon - Denver
Denver, Colorado
Sun 02 Aug 26
Free - $102.70
All-Out Runapalooza
Arvada, Colorado
Sat 08 Aug 26
$27.50 - $64.60
Bagel Run 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
Sat 15 Aug 26
$32.80 - $48.70
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
Byers Peak Stampede Half Marathon & 5K Run
Fraser, Colorado
Sat 22 Aug 26
$54.00 - $75.20
Staunton Rocks! Marathon and Half Marathon
Pine, Colorado
Sat 22 Aug 26
$96.40 - $117.60
Pioneer Prairie Dog Half, 10k & 5k
Westminster, Colorado
Sun 23 Aug 26
$40.00 - $80.00
Run to Breast Cancer 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
Sat 29 Aug 26
$32.80 - $48.70
Sloth Run 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
Sat 29 Aug 26
$32.80 - $48.70
Golden Harvest Half Marathon & 5k/10k - Denver
Denver, Colorado
Sat 05 Sep 26
$20.83 - $62.28
Labor Day Half Marathon
Parker, Colorado
Mon 07 Sep 26
$34.40 - $77.60
Run for Mental Health 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
Sat 12 Sep 26
$32.80 - $48.70
Showing 1-40 of 65 results
