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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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Colorado 13er (Half Marathon/10k/5k)
Louisville, Colorado
Sun 07 Jun 26
$35.00 - $65.00
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Lunar New Year Run 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
Sat 07 Feb 26
$32.80 - $48.70
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Fifty States Half Marathon Club General Membership
Colorado Springs, Colorado
Thu 02 May 24 - Sun 02 Apr 34
$91.10
Colorado Springs Marathon, Half, 5K, and Kids K
Colorado Springs, Colorado
Sat 04 Oct 25 - Sat 03 Oct 26
Free - $535.35
New Year's Run 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
Sat 27 Dec 25
$32.80 - $54.00
A Merry Christmas Run 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
Sat 27 Dec 25
$32.80 - $54.00
New Year New Me Run 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
Sat 03 Jan 26
$32.80 - $48.70
Sunrise Marathon 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
Chilly Willy 5K/10K/Half Marathon-Colorado Springs
Colorado Springs, Colorado
Sat 24 Jan 26
$33.60 - $65.20
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
The Toyota Super Half Marathon™& Game Day 5K™
Colorado Springs, Colorado
Sun 08 Feb 26
$38.10 - $75.20
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
Stories Trail Runs
Colorado Springs, Colorado
Sat 21 Feb 26 - Sun 22 Feb 26
$64.60 - $160.00
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
Time to Paddy 5k/10k & Lucky 13.1 - Colorado Springs
Colorado Springs, Colorado
Sun 01 Mar 26
$20.83 - $61.22
21st Annual Run Through Time Trail Marathon and Half Marathon
Salida, Colorado
Sat 14 Mar 26
$16.90 - $96.40
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 - $75.20
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
Platte River Half-Marathon and Relay
Littleton, Colorado
Sun 12 Apr 26
$43.40 - $186.50
Spring Fling Prairie Dog Half, 10k, & 5k
Arvada, Colorado
Sun 12 Apr 26
$40.00 - $80.00
Donot Stop Half Marathon (5k/10k) - Colorado Springs
Colorado Springs, Colorado
Sat 18 Apr 26
$20.83 - $52.28
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
Horsetooth Half Marathon - Presented by Fort Collins Connexion
Fort Collins, Colorado
Sun 19 Apr 26
$101.70
DoNot Stop Half Marathon (5k/10k) - Denver
Littleton, Colorado
Sun 19 Apr 26
$20.83 - $68.64
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
Bigfoot Half Marathon
Estes Park, Colorado
Sat 25 Apr 26
$49.40 - $129.65
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
Showing 1-40 of 77 results
