10K Races in Colorado.

Run for Breast Cancer 5K/10K/13.1 DENVER/AURORA

SuperHeroes Run 5K/10K/13.1 DENVER/AURORA

Colorado 13er (Half Marathon/10k/5k)

Garden of the Gods 10 Mile/10K and Trail Run

Red, White and Brew 5k, 10k & Half Marathon

Run Juneteenth Day 5K/10K/13.1 DENVER/AURORA

Sloth Run 5K/10K/13.1 DENVER/AURORA

Father's Day Classic 10k, 5k, & 1 Mile

July 4th Run 5K/10K/13.1 DENVER/AURORA

Let Freedom Run 5k/10k - Louisville

Ourayce 10K Fun Run

Run for Chocolate 5K/10K/13.1 DENVER/AURORA

Summer Splash Prairie Dog Half, 10k, & 5k

Run for Coffee Lovers 5K/10K/13.1 DENVER/AURORA

Run for Donuts 5K/10K/13.1 DENVER/AURORA

Popsicle 5K/10K/Half - Colorado Springs

Eat. Run. Adopt. 10K

Into the Hills Eltuck 10k

Bagel Run 5K/10K/13.1 DENVER/AURORA

Run for PB& J 5K/10K/13.1 DENVER/AURORA

2026 True Impact Ministries 5K/10K

Pioneer Prairie Dog Half, 10k & 5k

Sloth Run 5K/10K/13.1 DENVER/AURORA

Run for Breast Cancer 5K/10K/13.1 DENVER/AURORA

Golden Harvest Half Marathon & 5k/10k - Denver

Golden Harvest Half Marathon & 5k/10k - Colorado Springs

10k at 10,000 Feet

Run for Mental Health 5K/10K/13.1 DENVER/AURORA

National Chocolate Day: Run for Chocolates 5K/10K/13.1 DENVER/AURORA

Trail Sisters Women's Half Marathon & 10k

Wellington STAR Foundation 5K 10K

Chile & Frijole Hot to Trot 5K & 10K

Oktoberfest Run 5K/10K/13.1 DENVER/AURORA

Parker Parks and Recreation So Long to Summer 5K/10K

Run for Donuts 5K/10K/13.1 DENVER/AURORA

Lafayette Music Fest -5K - 10K

Windsor Marathon, Half Marathon, 10k, 5k & 1 Mile Run

Bagel Run 5K/10K/13.1 DENVER/AURORA

Coffee Lovers Run 5K/10K/13.1 DENVER/AURORA

Ghosts and Goblins 5K/10K

Halloween Trick or Trot Run 5K/10K/13.1 DENVER/AURORA

PB&J Fuel Run 5K/10K/13.1 DENVER/AURORA

City Park Classic (5k/10k & 1 Mile Walk of Hope for Pancreatic Cancer Research)

Run for Mental Health 5K/10K/13.1 DENVER/AURORA

Veterans Day Freedom Run 5K/10K/13.1 DENVER/AURORA

TURKEY TREK (13.1, 10k, 5k & 2k)

Pumpkin Pie 5K/10K

Broomfield Turkey Day 5K/10K