Sun, Nov 8, 2026 · 8:00 AM · Colorado Springs, CO
Turkey Trails - Colorado Springs
1M5K10KHalf Marathon
- Price
- Free-$80.30
Half Marathons in Colorado
Every upcoming Half Marathon race we know about in Colorado. Where a detail isn't confirmed, we mark it unknown rather than guessing.
Race results
Showing 60+ of 78 races · loading the full list…
Sat, Nov 14, 2026 · 7:30 AM · Centennial, CO
Run for Mental Health 5K/10K/13.1 DENVER/AURORA
1M5K10KHalf Marathon
- Price
- $32.80-$64.60
Sat, Nov 14, 2026 · 7:30 AM · Centennial, CO
Veterans Day Freedom Run 5K/10K/13.1 DENVER/AURORA
1M5K10KHalf Marathon
- Price
- $32.80-$64.60
Sat, Nov 14, 2026 · 8:00 AM · Aurora, CO
Salute to Veterans 5K/10K/Half Marathon - Denver
5K10KHalf Marathon
- Price
- Free-$59.90
Sun, Nov 15, 2026 · 8:00 AM · Colorado Springs, CO
Salute to Veterans 5K/10K/Half Marathon - Colorado Springs
5K10KHalf Marathon
- Price
- Free-$59.90
Sat, Nov 21, 2026 · 8:40 AM · Arvada, CO
TURKEY TREK (13.1, 10k, 5k & 2k)
2K5K10KHalf Marathon
- Price
- $39-$79
Sat, Nov 28, 2026 · 7:30 AM · Centennial, CO
Coffee Lovers Run 5K/10K/13.1 DENVER/AURORA
1M5K10KHalf Marathon
- Price
- $32.80-$54
Sat, Nov 28, 2026 · 7:30 AM · Centennial, CO
Thanksgiving Gobble Trot Run 5K/10K/13.1 DENVER/AURORA
1M5K10KHalf Marathon
- Price
- $32.80-$54
Sun, Dec 6, 2026 · 8:30 AM · Pueblo, CO
Rock Canyon Half Marathon- 40th Anniversary Run!
5KHalf Marathon
- Price
- $38.10-$64.60
- Field size
- 800 · based on the organizer's entry cap
Sat, Dec 12, 2026 · 7:30 AM · Centennial, CO
Run for Breast Cancer 5K/10K/13.1 DENVER/AURORA
1M5K10KHalf Marathon
- Price
- $32.80-$48.70
Sat, Dec 12, 2026 · 7:30 AM · Centennial, CO
Sunrise Marathon 5K/10K/13.1 DENVER/AURORA
1M5K10KHalf Marathon
- Price
- $32.80-$48.70
Sat, Dec 26, 2026 · 7:30 AM · Centennial, CO
A Merry Christmas Run 5K/10K/13.1 DENVER/AURORA
1M5K10KHalf Marathon
- Price
- $32.80-$48.70
Sat, Dec 26, 2026 · 7:30 AM · Centennial, CO
New Year's Run 5K/10K/13.1 DENVER/AURORA
1M5K10KHalf Marathon
- Price
- $32.80-$48.70
Sat, Jan 16, 2027 · 7:30 AM · Centennial, CO
MLK Jr. Freedom Run 5K/10K/13.1 DENVER/AURORA
1M5K10KHalf Marathon
- Price
- $32.80-$48.70
Sat, Jan 16, 2027 · 7:30 AM · Centennial, CO
Sunrise Marathon 5K/10K/13.1 DENVER/AURORA
1M5K10KHalf Marathon
- Price
- $32.80-$48.70
Sat, Jan 23, 2027 · 8:30 AM · Colorado Springs, CO
Chilly Willy 5K/10K/Half Marathon - Colorado Springs
5K10K13.1KHalf Marathon
- Price
- $33.60-$65.20
Sat, Jan 30, 2027 · 9:00 AM · Crested Butte, CO
Alley Loop
1K3K5K10KHalf MarathonMarathon
- Price
- Price on registration site
Sat, Jan 30, 2027 · 7:30 AM · Centennial, CO
Coffee Lovers Run DENVER/AURORA
1M5K10KHalf Marathon
- Price
- $32.80-$48.70
Sat, Jan 30, 2027 · 7:30 AM · Centennial, CO
Run for Donuts DENVER/AURORA
1M5K10KHalf Marathon
- Price
- $32.80-$48.70
Sat, Feb 6, 2027 · 8:00 AM · Colorado Springs, CO
Stories Trail Runs
6.7MHalf Marathon19.6M
- Price
- $64.60-$160
Sat, Feb 13, 2027 · 7:30 AM · Centennial, CO
Valentine's Day Run 5K/10K/13.1 DENVER/AURORA
1M5K10KHalf Marathon
- Price
- $32.80-$48.70
Sat, Feb 13, 2027 · 7:30 AM · Centennial, CO
Run for Chocolate 5K/10K/13.1 DENVER/AURORA
1M5K10KHalf Marathon
- Price
- $32.80-$48.70
Sun, Feb 14, 2027 · 9:00 AM · Arvada, CO
Ralston Creek Half Marathon & 5k
5KHalf Marathon
- Price
- $27.50-$133.50
Sun, Feb 14, 2027 · 10:00 AM · Colorado Springs, CO
The Toyota Super Half Marathon™& Game Day 5K™
5KHalf Marathonflat and fast
- Price
- $38.10-$80.50
Sat, Feb 27, 2027 · 7:30 AM · Centennial, CO
Run Together Against Breast Cancer DENVER/AURORA
1M5K10KHalf Marathon
- Price
- $32.80-$48.70
Sat, Feb 27, 2027 · 7:30 AM · Centennial, CO
Run For Mental Health DENVER/AURORA
1M5K10KHalf Marathon
- Price
- $32.80-$48.70
Sat, Mar 6, 2027 · 8:00 AM · Denver, CO
Time to Paddy 5K/10K & Lucky 13.1 13.1 - Denver
1M5K10KHalf Marathon
- Price
- Free-$65.46
- Field size
- 31 · based on the organizer's entry cap
Sun, Mar 7, 2027 · 8:00 AM · Colorado Springs, CO
Time to Paddy 5K/10K & Lucky 13.1 - Colorado Springs
1M5K10KHalf Marathon
- Price
- Free-$52.28
- Field size
- 31 · based on the organizer's entry cap
Sat, Mar 13, 2027 · 8:00 AM · Salida, CO
22nd Annual Run Through Time Trail Marathon and Half Marathon
2MHalf MarathonMarathonhilly
- Price
- $16.90-$88.45
- Field size
- 545 · based on the organizer's entry cap
Sun, Mar 14, 2027 · 9:15 AM · Severance, CO
Lucky Brew Race 5K, 10K, 15k & Half Marathon
0.6M5K10K15KHalf Marathon
- Price
- $22.20-$85.80
Sat, Mar 20, 2027 · 7:30 AM · Centennial, CO
Sunrise Marathon 5K/10K/13.1 DENVER/AURORA
1M5K10KHalf Marathon
- Price
- $32.80-$48.70
Sat, Mar 20, 2027 · 7:30 AM · Centennial, CO
St. Paddy's Day Lucky Run 5K/10K/13.1 DENVER/AURORA
1M5K10KHalf Marathon
- Price
- $32.80-$48.70
Sat, Mar 27, 2027 · 7:30 AM · Centennial, CO
Always Hope Easter Run DENVER/AURORA
1M5K10KHalf Marathon
- Price
- $32.80-$48.70
Sat, Mar 27, 2027 · 7:30 AM · Centennial, CO
SuperHeroes Run DENVER/AURORA
1M5K10KHalf Marathon
- Price
- $32.80-$48.70
Sun, Apr 4, 2027 · 8:00 AM · Englewood, CO
Three Creeks Half Marathon
Half Marathon291 ft gain · flat and fast
- Price
- $69.90-$107
Sat, Apr 10, 2027 · 7:30 AM · Centennial, CO
Sloth Run 5K/10K/13.1 DENVER/AURORA
1M5K10KHalf Marathon
- Price
- $32.80-$48.70
Sat, Apr 10, 2027 · 7:30 AM · Centennial, CO
Run for PB&J 5k/10k/13.1 DENVER/AURORA
1M5K10KHalf Marathon
- Price
- $32.80-$48.70
Sun, Apr 11, 2027 · 7:00 AM · Littleton, CO
Platte River Half-Marathon, Relay & 5k
5KHalf Marathon
- Price
- $48.70-$186.50
Sun, Apr 11, 2027 · 8:00 AM · Arvada, CO
Spring Fling Prairie Dog Half, 10k, & 5k
5K10KHalf Marathon
- Price
- $39-$74
- Field size
- 111 · based on the organizer's entry cap
Large field
Sun, Apr 18, 2027 · 8:00 AM · Fort Collins, CO
Horsetooth Half Marathon - Presented by Fort Collins Connexion
Half Marathon
- Price
- $101.70
- Field size
- 2,600 · based on the organizer's entry cap
Sat, Apr 24, 2027 · 8:00 AM · Westminster, CO
All-Out Beat the Heat
5K10KHalf Marathon
- Price
- $38.10-$69.90
Sat, Apr 24, 2027 · 8:00 AM · Colorado Springs, CO
DoNot Stop Half Marathon/5K/10K - Colorado Springs
1M5K10KHalf Marathon
- Price
- Free-$52.28
Sat, Apr 24, 2027 · 8:00 AM · Estes Park, CO
Bigfoot Half Marathon
0.17M5KHalf Marathon
- Price
- $33.35-$129.65
Sat, Apr 24, 2027 · 7:30 AM · Centennial, CO
Coffee Lovers Run DENVER/AURORA
1M5K10KHalf Marathon
- Price
- $32.80-$48.70
Sat, Apr 24, 2027 · 7:30 AM · Centennial, CO
Run for Donuts DENVER/AURORA
1M5K10KHalf Marathon
- Price
- $32.80-$48.70
Sun, Apr 25, 2027 · 8:00 AM · Denver, CO
DoNot Stop Half Marathon/5K/10K - Denver
1M5K10KHalf Marathon
- Price
- Free-$59.10
Sun, May 2, 2027 · 7:30 AM · Longmont, CO
Longmont Half & 5k (LM Half)
5KHalf MarathonWalker-friendly · per organizer
- Price
- $39-$64
Sun, May 2, 2027 · 6:30 AM · Fort Collins, CO
The Colorado Marathon
5K10KHalf MarathonMarathon
- Price
- $48.70-$170.60
Sat, May 8, 2027 · 7:00 AM · Colorado Springs, CO
Hometown Half Marathon/5K/10K - Colorado Springs
1M5K10KHalf Marathon
- Price
- Free-$46.28
Sat, May 8, 2027 · 7:30 AM · Centennial, CO
Run for Chocolate 5k/10k/13.1 DENVER/AURORA
1M5K10KHalf Marathon
- Price
- $32.80-$48.70
Sun, May 9, 2027 · 7:00 AM · Denver, CO
Hometown Half Marathon/5K/10K - Denver
1M5K10KHalf Marathon
- Price
- Free-$59.10
Sat, May 29, 2027 · 7:30 AM · Centennial, CO
SuperHeroes Run DENVER/AURORA
1M5K10KHalf Marathon
- Price
- $32.80-$48.70
Sun, Jun 6, 2027 · 6:30 AM · Louisville, CO
Colorado 13er (Half Marathon/10k/5k)
5K10KHalf Marathon
- Price
- $39-$64
- Field size
- 190 · based on the organizer's entry cap
0.5M10KHalf MarathonMarathon
- Price
- Free-$140.60
- Field size
- 2,250 · based on the organizer's entry cap
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