74 Upcoming 10K Races Near Castle Rock, CO

Sun, Nov 12 races

All-Out Kooky-Spooky

Golden, CO

Feet for Justice Run

Denver, CO

Sat, Nov 72 races

Turkey Trails- Denver

Littleton, CO

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

Denver, CO

Sun, Nov 81 race

Turkey Trails - Colorado Springs

Colorado Springs, CO

Sat, Nov 142 races

Salute to Veterans 5K/10K/Half Marathon - Denver

Aurora, CO

Denver Veterans Day Run

Denver, CO

Sun, Nov 151 race

Salute to Veterans 5K/10K/Half Marathon - Colorado Springs

Colorado Springs, CO

Sat, Nov 213 races

Pumpkin Pie 5K

Denver, CO

285 Turkey Trot - 2026

Bailey, CO

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

Arvada, CO

Thu, Nov 261 race

Broomfield Turkey Day 5K/10K

Broomfield, CO

Sat, Dec 54 races

Candy Cane Course - Denver

Denver, CO

All-Out Fa La La

Westminster, CO

Candy Cane Course - Colorado Springs

Colorado Springs, CO

Chasing Santa 5k/Cycling Santa Toy Drive Presented by: Springs Law Group

Colorado Springs, CO

Sun, Dec 62 races

RunDenver Series 2026-27

Denver, CO

Candy Cane Course - Denver

Westminster, CO

Fri, Jan 1, 20271 race

Rescue Run

Colorado Springs, CO

Sat, Jan 9, 20272 races

All-Out Polar Prowl

Arvada, CO

Winter Series - The Coolest Race in Town!

Colorado Springs, CO

Sun, Jan 17, 20271 race

Colorado Cold Snap

Louisville, CO

Sat, Jan 23, 20271 race

Chilly Willy 5K/10K/Half Marathon - Colorado Springs

Colorado Springs, CO

Sun, Jan 24, 20271 race

Yeti Chase 5k/10k

Morrison, CO

Sat, Jan 30, 20273 races

Run for Donut DENVER/AURORA

Centennial, CO

Coffee Lover Run DENVER/AURORA

Aurora, CO

Coffee Lovers Run DENVER/AURORA

Centennial, CO

Sat, Feb 6, 20272 races

Westy Winter Waggle 5&10k

Westminster, CO

All-Out Mardi Crawl

Arvada, CO

Sat, Feb 27, 20272 races

Run For Mental Health DENVER/AURORA

Centennial, CO

Run Together Against Breast Cancer DENVER/AURORA

Centennial, CO

Sat, Mar 6, 20271 race

Time to Paddy 5K/10K & Lucky 13.1 13.1 - Denver

Denver, CO

Sun, Mar 7, 20272 races

That Dam Run 13.1, 10K, 5K

Arapahoe County, CO

Time to Paddy 5K/10K & Lucky 13.1 - Colorado Springs

Colorado Springs, CO

Sun, Mar 21, 20271 race

All-Out Spring Fever

Golden, CO

Sat, Mar 27, 20273 races

SuperHeroes Run DENVER/AURORA

Centennial, CO

Always Hope Easter Run DENVER/AURORA

Centennial, CO

Always Hope Easter Run DENVER/AURORA

Aurora, CO

Sat, Apr 10, 20271 race

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

Centennial, CO

Sun, Apr 11, 20271 race

Spring Fling Prairie Dog Half, 10k, & 5k

Arvada, CO

Sat, Apr 24, 20275 races

DoNot Stop Half Marathon/5K/10K - Colorado Springs

Colorado Springs, CO

All-Out Beat the Heat

Westminster, CO

Run for Donut DENVER/AURORA

Centennial, CO

Coffee Lover Run DENVER/AURORA

Aurora, CO

Coffee Lovers Run DENVER/AURORA

Centennial, CO

Sun, Apr 25, 20271 race

DoNot Stop Half Marathon/5K/10K - Denver

Denver, CO

Sat, May 8, 20272 races

Hometown Half Marathon/5K/10K - Colorado Springs

Colorado Springs, CO

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

Centennial, CO

Sun, May 9, 20272 races

Colorado Women's Classic - Westminster

Westminster, CO

Hometown Half Marathon/5K/10K - Denver

Denver, CO