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Half Marathons Found In Denver, Colorado
View all ↓Half Marathons in & near Denver, Colorado 2026 - 2027
The most comprehensive list of Half Marathons in and near Denver, Colorado in 2026 - 2027. Find your perfect race!
Race Calendar: Half Marathons Found In Denver, Colorado
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Pioneer Prairie Dog Half, 10k & 5k
Westminster, Colorado
Sun 23 Aug 26
$35.00 - $75.00
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Westy Half & 5k
Westminster, Colorado
Sun 11 Oct 26
$35.00 - $60.00
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Fifty States Half Marathon Club General Membership
Colorado Springs, Colorado
Thu 02 May 24 - Sun 02 Apr 34
$91.10
Run for Coffee Lovers 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
Sat 07 Feb 26
$32.80 - $48.70
Lunar New Year Run 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
$43.40 - $80.50
Valentines Live, Love, RUN 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
Sat 14 Feb 26
$32.80 - $64.60
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
$96.40 - $191.80
All-Out Mardi Crawl
Arvada, Colorado
Sun 22 Feb 26
$43.40 - $80.50
Time to Paddy 5k/10k & Lucky 13.1 - Denver
Westminster, Colorado
Sat 28 Feb 26
Free - $81.36
Lucky Brew Race 5K, 10K, 15k & Half Marathon
Severance, Colorado
Sat 14 Mar 26
$22.20 - $85.80
St. Paddy's Day Lucky Run 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
Sat 14 Mar 26
$32.80 - $48.70
21st Annual Run Through Time Trail Marathon and Half Marathon
Salida, Colorado
Sat 14 Mar 26
$16.90 - $96.40
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
Run Through The Decades 6K/7K/8K/Half - Colorado Springs
Colorado Springs, Colorado
Sat 11 Apr 26
$39.10 - $59.90
Platte River Half-Marathon and Relay
Littleton, Colorado
Sun 12 Apr 26
$48.70 - $228.90
Spring Fling Prairie Dog Half, 10k, & 5k
Arvada, Colorado
Sun 12 Apr 26
$40.00 - $80.00
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
$43.40 - $80.50
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
Bigfoot Half Marathon
Estes Park, Colorado
Sat 25 Apr 26
$60.10 - $151.05
Runs With Scissors Races
Brighton, Colorado
Sat 25 Apr 26
$38.10 - $96.40
Blue Heron Half & 5K
Brighton, Colorado
Sun 26 Apr 26
$32.80 - $69.90
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 - Colorado Springs
Colorado Springs, Colorado
Sat 09 May 26
$20.83 - $61.22
Super Mom 5K/10K/Half - Colorado Springs
Colorado Springs, Colorado
Sun 10 May 26
$33.60 - $65.20
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
$25.00
Colorado 13er (Half Marathon/10k/5k)
Louisville, Colorado
Sun 07 Jun 26
$35.00 - $65.00
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 - $80.50
Race in the Clouds - Alma Dirt Festival 2026
Alma, Colorado
Thu 25 Jun 26
Free - $133.50
All-Out Dog Days
Westminster, Colorado
Sat 11 Jul 26
$27.50 - $64.60
Heatwave Half Marathon - Denver
Denver, Colorado
Sat 11 Jul 26
$20.83 - $62.28
Showing 1-40 of 82 results
