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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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Rocky Mountain Half Marathon & 5K
Estes Park, Colorado
01 Aug 25 - 02 Aug 25
Free - $234.20
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All-Out Mardi Crawl
Arvada, Colorado
22 Feb 26
$27.50 - $64.60
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Denver, CO Galloway Training Program
Denver, Colorado
20 Apr 24 - 15 Apr 25
$91.10 - $274.00
Fifty States Half Marathon Club General Membership
Colorado Springs, Colorado
02 May 24 - 02 Apr 34
$91.10
Slacker Half Marathon-Relay-4-Mile Races
Georgetown, Colorado
01 Jan 25 - 28 Jun 25
$2.06 - $128.20
2025 Team CKF Running Series
Aspen, Colorado
22 Feb 25 - 25 Oct 25
Free
Fleet Feet Denver Spring Half Marathon Twelve-Week Training Program
Littleton, Colorado
25 Feb 25 - 18 May 25
$160.15
Run Through The Decades 6K/7K/8K/Half - Colorado Springs
Colorado Springs, Colorado
12 Apr 25
$33.60 - $59.90
Platte River Half-Marathon and Relay
Littleton, Colorado
13 Apr 25
$117.60 - $250.10
Three Creeks Half Marathon
Englewood, Colorado
13 Apr 25
$96.40 - $138.80
Spring Fling Prairie Dog Half, 10k, & 5k
Arvada, Colorado
13 Apr 25
Free - $80.00
Horsetooth Half Marathon
Fort Collins, Colorado
13 Apr 25
$112.30
All-Out Beat the Heat
Westminster, Colorado
19 Apr 25
$43.40 - $80.50
Great Western Trail Race
Severance, Colorado
19 Apr 25
$16.90 - $75.20
Bigfoot Half Marathon
Estes Park, Colorado
26 Apr 25
$70.80 - $156.40
Runs With Scissors Races
Brighton, Colorado
26 Apr 25
$38.10 - $102.76
The Colorado Marathon
Fort Collins, Colorado
04 May 25
$54.00 - $379.00
Longmont Half & 5k (LM Half)
Longmont, Colorado
04 May 25
$55.00 - $80.00
DoNot Stop Half Marathon (5k/10k) - Denver
Littleton, Colorado
10 May 25
$18.83 - $63.34
Donot Stop Half Marathon (5k/10k) - Colorado Springs
Colorado Springs, Colorado
11 May 25
$18.83 - $63.34
Endure Trail Runs
Divide, Colorado
17 May 25 - 18 May 25
$75.20 - $191.80
2.2 for 22q Walk/Run/Ride 2025
Anywhere, Colorado
31 May 25 - 08 Jun 25
$24.32
Colorado 13er (Half Marathon/10k/5k)
Louisville, Colorado
01 Jun 25
$39.00 - $69.90
Steamworks Half Marathon
Durango, Colorado
07 Jun 25
$84.74
All-Out Summer Breeze
Arvada, Colorado
07 Jun 25
$43.40 - $80.50
Red, White and Brew 5k, 10k, Half Marathon & 12 Hour Last Person Standing
Windsor, Colorado
21 Jun 25
$16.90 - $122.90
Hometown Half Marathon & 5k/10k - Denver
Westminster, Colorado
21 Jun 25
$18.83 - $54.28
Hometown Half Marathon & 5k/10k - Colorado Springs
Colorado Springs, Colorado
22 Jun 25
$18.83 - $54.28
The Alma Foundation Race in the Clouds Dirt Festival
Alma, Colorado
10 Jul 25 - 13 Jul 25
Free - $133.50
All-Out Dog Days
Westminster, Colorado
12 Jul 25
$32.80 - $69.90
Aspen Valley Marathon
Aspen, Colorado
19 Jul 25
$70.15 - $213.25
Summer Splash Prairie Dog Half, 10k, & 5k
Castle Rock, Colorado
19 Jul 25
$40.00 - $80.00
Rocky Mountain Half Marathon & 5K
Estes Park, Colorado
01 Aug 25 - 02 Aug 25
Free - $234.20
Hero Hustle Colorado Springs
Colorado Springs, Colorado
02 Aug 25
$18.83 - $48.28
All-Out Runapalooza
Arvada, Colorado
02 Aug 25
$32.80 - $69.90
Sheep Mountain Trail Runs
Fairplay, Colorado
02 Aug 25
$96.40 - $181.20
Bound for Boston Marathon & Half Marathon - Denver
Denver, Colorado
03 Aug 25
$49.10 - $102.70
Erie Half & 5k
Erie, Colorado
17 Aug 25
$40.00 - $65.00
Staunton Rocks! Marathon and Half Marathon
Pine, Colorado
23 Aug 25
$107.00 - $128.20
TBK Bank Thirsty 13 Half Marathon
Durango, Colorado
23 Aug 25
$91.10 - $125.55
Byers Peak Stampede Half Marathon & 5K Run
Fraser, Colorado
23 Aug 25
$54.00 - $75.20
Arrowhead Half Marathon & 5K
Edwards, Eagle
23 Aug 25
$32.00 - $52.00
Showing 1-40 of 70 results
