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Half Marathons Found In Denver, Colorado
View all ↓Half Marathons in & near Denver, Colorado 2025 - 2026
The most comprehensive list of Half Marathons in and near Denver, Colorado in 2025 - 2026. Find your perfect race!
Race Calendar: Half Marathons Found In Denver, Colorado
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Breckenridge Road Marathon
Breckenridge, Colorado
11 Oct 25
$33.73 - $147.14
🚀Boosted
Hedgehog Dash 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
13 Sep 25
$32.80 - $52.94
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Thanksgiving Turkey Gobble Trot 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
29 Nov 25
$32.80 - $48.70
All-Out Fa La La
Westminster, Colorado
06 Dec 25
$32.80 - $69.90
Rock Canyon Half Marathon
Pueblo, Colorado
07 Dec 25
$38.10 - $59.30
5.0
Run for Mental Health 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
13 Dec 25
$32.80 - $48.70
Run Against Breast Cancer 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
13 Dec 25
$32.80 - $48.70
A Merry Christmas Run 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
27 Dec 25
$32.80 - $48.70
New Year's Run 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
27 Dec 25
$32.80 - $48.70
Sunrise Marathon 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
03 Jan 26
$32.80 - $48.70
New Year New Me Run 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
03 Jan 26
$32.80 - $48.70
All-Out Polar Prowl
Arvada, Colorado
10 Jan 26
$32.80 - $69.90
MLK Freedom Run 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
17 Jan 26
$32.80 - $48.70
Run for Donuts 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
17 Jan 26
$32.80 - $48.70
Arctic Prairie Dog Half, 10k & 5k
Louisville, Colorado
18 Jan 26
$40.00 - $80.00
2026 Team CKF Running Series
Aspen, Colorado
24 Jan 26 - 18 Apr 26
Free
Chilly Willy 5K/10K/Half Marathon-Colorado Springs
Colorado Springs, Colorado
24 Jan 26
$28.60 - $59.90
Run for Coffee Lovers 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
07 Feb 26
$32.80 - $48.70
Lunar New Year Run 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
07 Feb 26
$32.80 - $48.70
Super Half Marathon™ & Game Day 5K™ Presented by Toyota
Colorado Springs, Colorado
08 Feb 26
$32.80 - $69.90
Valentines Live, Love, RUN 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
14 Feb 26
$32.80 - $48.70
All-Out Mardi Crawl
Arvada, Colorado
22 Feb 26
$27.50 - $64.60
St. Paddy's Day Lucky Run 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
14 Mar 26
$32.80 - $48.70
All-Out Spring Fever
Golden, Colorado
22 Mar 26
$27.50 - $64.60
Always Hope Easter Run 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
04 Apr 26
$32.80 - $48.70
Platte River Half-Marathon and Relay
Littleton, Colorado
12 Apr 26
$75.20 - $165.30
Spring Fling Prairie Dog Half, 10k, & 5k
Arvada, Colorado
12 Apr 26
Free - $75.00
All-Out Beat the Heat
Westminster, Colorado
18 Apr 26
$27.50 - $64.60
Horsetooth Half Marathon
Fort Collins, Colorado
19 Apr 26
$80.50
Runs With Scissors Races
Brighton, Colorado
25 Apr 26
$38.10 - $85.80
Coffee Lovers Run 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
25 Apr 26
$32.80 - $48.70
The Colorado Marathon
Fort Collins, Colorado
03 May 26
$38.10 - $138.80
Longmont Half & 5k (LM Half)
Longmont, Colorado
03 May 26
$45.00 - $70.00
Colorado 13er (Half Marathon/10k/5k)
Louisville, Colorado
07 Jun 26
$30.00 - $60.00
All-Out Summer Breeze
Arvada, Colorado
13 Jun 26
$27.50 - $64.60
Red, White and Brew 5k, 10k, Half Marathon & 12 Hour Last Person Standing
Windsor, Colorado
20 Jun 26
$16.90 - $122.90
Race in the Clouds - Alma Dirt Festival 2026
Alma, Colorado
27 Jun 26
$32.80 - $101.70
All-Out Dog Days
Westminster, Colorado
11 Jul 26
$27.50 - $64.60
Summer Splash Prairie Dog Half, 10k, & 5k
Castle Rock, Colorado
18 Jul 26
$30.00 - $65.00
4.0
Erie Half & 5k
Erie, Colorado
16 Aug 26
$33.50 - $59.30
50 States Half Marathon Club Life Membership
Colorado Springs, Colorado
25 Apr 31
50 States Half Marathon Club Life Membership
Colorado Springs, Colorado
26 Apr 31
Showing 41-80 of 88 results
