Sat, Sep 26, 2026 · 10:00 AM · Pagosa Springs, CO
Pagosa Mountain Chile Cha Cha Trail Races
5K10K
- Price
- $32.80
10Ks in Colorado
Every upcoming 10K race we know about in Colorado. Where a detail isn't confirmed, we mark it unknown rather than guessing.
Race results
Showing 60+ of 97 races · loading the full list…
Sat, Sep 26, 2026 · 7:30 AM · Centennial, CO
Oktoberfest Run 5K/10K/13.1 DENVER/AURORA
1M5K10KHalf Marathon
- Price
- $32.80-$54
Sat, Sep 26, 2026 · 7:30 AM · Centennial, CO
Run for Donuts 5K/10K/13.1 DENVER/AURORA
1M5K10KHalf Marathon
- Price
- $32.80-$54
Sat, Sep 26, 2026 · 8:05 AM · Parker, CO
Parker Parks and Recreation So Long to Summer 5K/10K
5K10K
- Price
- $48.95-$59.55
- Field size
- 700 · based on the organizer's entry cap
Sun, Sep 27, 2026 · 7:00 AM · Boulder, CO
Running for Children's Rights to Both Parents - 9 of 50 Half Marathons in 50 States - Colorado
5K10KHalf Marathon
- Price
- $526
Sun, Sep 27, 2026 · 6:30 AM · Boulder, CO
Girls on the Run Rockies Boulderthon SoleMates 2026
10KHalf MarathonMarathon
- Price
- $27.50
- Field size
- 15 · based on the organizer's entry cap
Sat, Oct 3, 2026 · 8:00 AM · Littleton, CO
HRCA Wildcat Mountain Trail Races
10K10Mrolling hills
- Price
- $10-$70
Sat, Oct 3, 2026 · 8:30 AM · Canon City, CO
Rim to Rim Royal Gorge Races: 5K Road Run, Trail 8 Mile, Trail Half Marathon
5K10K8MHalf Marathon
- Price
- Free-$96.40
- Field size
- 623 · based on the organizer's entry cap
Sat, Oct 3, 2026 · 8:00 AM · Littleton, CO
Spooky Sprint - Denver
1M5K10KHalf Marathon
- Price
- Free-$87.72
Sun, Oct 4, 2026 · 7:00 AM · Windsor, CO
Windsor Marathon, Half Marathon, 10k, 5k & 1 Mile Run
1M5K10KHalf MarathonMarathon
- Price
- $20-$140
Sat, Oct 10, 2026 · 8:00 AM · Breckenridge, CO
Breckenridge RunFest
1M5K10KHalf MarathonMarathon
- Price
- Free-$141.55
Sat, Oct 10, 2026 · 7:30 AM · Centennial, CO
Cookie Run 5K/10K/13.1 DENVER/AURORA
1M5K10KHalf Marathon
- Price
- $32.80-$48.70
Sat, Oct 10, 2026 · 7:30 AM · Centennial, CO
Coffee Lovers Run 5K/10K/13.1 DENVER/AURORA
1M5K10KHalf Marathon
- Price
- $32.80-$48.70
Sun, Oct 11, 2026 · 8:30 AM · Littleton, CO
Your Story Isn't Over 5k/10k/Kids 1-Mile
1M5K10K
- Price
- $27.75-$48.95
- Field size
- 300 · based on the organizer's entry cap
Sat, Oct 31, 2026 · 8:00 AM · Colorado Springs, CO
Spooky Sprint - Colorado Springs
1M5K10KHalf Marathon
- Price
- $20.83-$67.58
Sat, Oct 31, 2026 · 7:30 AM · Centennial, CO
PB&J Fuel Run 5K/10K/13.1 DENVER/AURORA
1M5K10KHalf Marathon
- Price
- $32.80-$54
Sat, Oct 31, 2026 · 7:30 AM · Centennial, CO
Halloween Trick or Trot Run 5K/10K/13.1 DENVER/AURORA
1M5K10KHalf Marathon
- Price
- $32.80-$54
Sun, Nov 1, 2026 · 8:30 AM · Denver, CO
Feet for Justice Run
5K10Kflat and fastCertified course · per organizer
- Price
- $12.18-$44.20
Sat, Nov 7, 2026 · 10:00 AM · Alamosa, CO
Alamosa Veterans Memorial Park Race
5K10KWalker-friendly · per organizer
- Price
- $20-$35
Sat, Nov 7, 2026 · 8:00 AM · Littleton, CO
Turkey Trails- Denver
1M5K10KHalf Marathon
- Price
- $20.83-$81.36
Sat, Nov 7, 2026 · 9:00 AM · Denver, CO
City Park Classic (5k/10k & 1 Mile Walk of Hope for Pancreatic Cancer Research)
1M5K10K
- Price
- $23-$65
Sun, Nov 8, 2026 · 8:00 AM · Colorado Springs, CO
Turkey Trails - Colorado Springs
1M5K10KHalf Marathon
- Price
- $20.83-$67.58
Sat, Nov 14, 2026 · 7:30 AM · Centennial, CO
Run for Mental Health 5K/10K/13.1 DENVER/AURORA
1M5K10KHalf Marathon
- Price
- $32.80-$48.70
Sat, Nov 14, 2026 · 7:30 AM · Centennial, CO
Veterans Day Freedom Run 5K/10K/13.1 DENVER/AURORA
1M5K10KHalf Marathon
- Price
- $32.80-$48.70
Sat, Nov 14, 2026 · 8:00 AM · Aurora, CO
Salute to Veterans 5K/10K/Half Marathon - Denver
5K10KHalf Marathon
- Price
- Free-$75.80
Sun, Nov 15, 2026 · 8:00 AM · Colorado Springs, CO
Salute to Veterans 5K/10K/Half Marathon - Colorado Springs
5K10KHalf Marathon
- Price
- Free-$75.80
Sat, Nov 21, 2026 · 8:40 AM · Arvada, CO
TURKEY TREK (13.1, 10k, 5k & 2k)
2K5K10KHalf Marathon
- Price
- $29-$74
Sat, Nov 28, 2026 · 7:30 AM · Centennial, CO
Coffee Lovers Run 5K/10K/13.1 DENVER/AURORA
1M5K10KHalf Marathon
- Price
- $32.80-$48.70
Sat, Nov 28, 2026 · 7:30 AM · Centennial, CO
Thanksgiving Gobble Trot Run 5K/10K/13.1 DENVER/AURORA
1M5K10KHalf Marathon
- Price
- $32.80-$48.70
Sat, Dec 5, 2026 · 9:00 AM · Colorado Springs, CO
Candy Cane Course - Colorado Springs
1M5K10K15K
- Price
- $25.98-$38.28
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 · Denver, CO
Time Travel Half-Marathon/5K/10K - Denver
1M5K10KHalf Marathon
- Price
- $18.83-$54.28
Sat, Jan 30, 2027 · 7:30 AM · Centennial, CO
Coffee Lover Run DENVER/AURORA
1M5K10KHalf Marathon
- Price
- $32.80-$48.70
Sat, Jan 30, 2027 · 7:30 AM · Centennial, CO
Run for Donut DENVER/AURORA
1M5K10KHalf Marathon
- Price
- $32.80-$48.70
Sun, Jan 31, 2027 · 8:00 AM · Colorado Springs, CO
Time Travel Half-Marathon/5K/10K - Colorado Springs
1M5K10KHalf Marathon
- Price
- $18.83-$52.28
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
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