41 Upcoming 10K Races Near Windsor, CO

Sun, Nov 11 race

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

Sat, Nov 141 race

Denver Veterans Day Run

Denver, CO

Sat, Nov 212 races

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

Arvada, CO

Pumpkin Pie 5K

Denver, CO

Thu, Nov 261 race

Broomfield Turkey Day 5K/10K

Broomfield, CO

Sat, Dec 52 races

Candy Cane Course - Denver

Denver, CO

All-Out Fa La La

Westminster, CO

Sun, Dec 62 races

RunDenver Series 2026-27

Denver, CO

Candy Cane Course - Denver

Westminster, CO

Sat, Dec 121 race

Santa Catch 5k & 10k

Windsor, CO

Sat, Jan 9, 20271 race

All-Out Polar Prowl

Arvada, CO

Sun, Jan 17, 20271 race

Colorado Cold Snap

Louisville, CO

Sat, Feb 6, 20272 races

All-Out Mardi Crawl

Arvada, CO

Westy Winter Waggle 5&10k

Westminster, CO

Sun, Feb 7, 20271 race

Old Man Winter Bike Rally & Run

Lyons, CO

Sat, Mar 6, 20271 race

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

Denver, CO

Sun, Mar 14, 20271 race

Lucky Brew Race 5K, 10K, 15k & Half Marathon

Severance, CO

Sun, Apr 11, 20271 race

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

Arvada, CO

Sat, Apr 24, 20271 race

All-Out Beat the Heat

Westminster, CO

Sun, Apr 25, 20271 race

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

Denver, CO

Sun, May 2, 20271 race

The Colorado Marathon

Fort Collins, CO

Sun, May 9, 20272 races

Hometown Half Marathon/5K/10K - Denver

Denver, CO

Colorado Women's Classic - Westminster

Westminster, CO

Mon, May 31, 20271 race

2027 Bolder Boulder 10K

Boulder, CO

Sun, Jun 6, 20271 race

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

Louisville, CO

Sat, Jun 12, 20271 race

All-Out Summer Breeze

Arvada, CO

Sat, Jun 19, 20271 race

Treat Trot - Denver

Denver, CO

Sun, Jun 20, 20271 race

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

Arvada, CO

Sun, Jul 4, 20271 race

Let Freedom Run 5k/10k - Louisville

Louisville, CO

Sat, Jul 10, 20271 race

All-Out Dog Days

Westminster, CO

Sat, Jul 17, 20271 race

Heatwave Half Marathon/5K/10K - Denver

Denver, CO

Sat, Jul 31, 20271 race

Eat. Run. Adopt. 10K

Berthoud, CO

Sat, Aug 7, 20272 races

All-Out Runapalooza

Arvada, CO

Summer Sizzler- Denver

Denver, CO

Sun, Aug 22, 20271 race

Pioneer Prairie Dog Half, 10k & 5k

Westminster, CO

Sat, Sep 11, 20271 race

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

Denver, CO

Sat, Sep 18, 20271 race

All-Out Fall Fest

Westminster, CO

Sat, Oct 2, 20272 races

Not So Flatt Breast Cancer Awareness Run/Walk – 5K & 10K in Denver, CO

Westminster, CO

Spooky Sprint - Denver

Denver, CO