31 Upcoming Races Near Thornton, CO - Matching: Trail Races

Sun, Nov 12 races

Girls on the Run Northern Colorado Fall 5K

Fort Collins, CO

5K

All-Out Kooky-Spooky

Golden, CO

Half, 10K, 5K

Sat, Nov 141 race

Lone Tree Reckoning Heavy 15K and 5K

Loveland, CO

Sat, Nov 212 races

Feed Your Soul Turkey Trot 5K

Wheat Ridge, CO

Turkey-Donut Predict Run

Fort Collins, CO

5K

Thu, Nov 261 race

2026 Loveland Turkey Trot

Loveland, CO

5K

Sat, Dec 52 races

Sawmill Trail Runs

Pine, CO

All-Out Fa La La

Westminster, CO

Half, 10K, 5K

Sat, Dec 121 race

Santa Catch 5k & 10k

Windsor, CO

5K, 10K, 1 Mile

Fri, Jan 1, 20271 race

Resolute Runner 5k

Arvada, CO

5K

Sat, Jan 9, 20271 race

All-Out Polar Prowl

Arvada, CO

Half, 10K, 5K

Sun, Jan 24, 20271 race

Redrum Run

Estes Park, CO

Sat, Feb 6, 20272 races

All-Out Mardi Crawl

Arvada, CO

Half, 10K, 5K

Running Up for Air - Staunton Rocks

Pine, CO

Sun, Mar 21, 20271 race

All-Out Spring Fever

Golden, CO

Half, 10K, 5K

Sun, Apr 4, 20271 race

Three Creeks Half Marathon

Englewood, CO

Half

Sun, Apr 11, 20271 race

Platte River Half-Marathon, Relay & 5k

Littleton, CO

Half, 5K

Sun, Apr 18, 20271 race

Horsetooth Half Marathon - Presented by Fort Collins Connexion

Fort Collins, CO

Half

Sat, Apr 24, 20271 race

All-Out Beat the Heat

Westminster, CO

Half, 10K, 5K

Sat, May 1, 20271 race

Greenland Trail Races

Larkspur, CO

Ultra

Sat, May 22, 20271 race

Sun, Jun 6, 20271 race

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

Louisville, CO

Half, 10K, 5K

Sat, Jun 12, 20271 race

All-Out Summer Breeze

Arvada, CO

Half, 10K, 5K

Sat, Jun 19, 20271 race

Estes Park Marathon & Half Marathon 2027

Estes Park, CO

Half, Marathon

Sat, Jul 10, 20271 race

All-Out Dog Days

Westminster, CO

Half, 10K, 5K

Sat, Jul 17, 20271 race

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

Castle Rock, CO

Half, 10K, 5K

Sat, Aug 7, 20271 race

All-Out Runapalooza

Arvada, CO

Half, 10K, 5K

Sat, Aug 21, 20271 race

Byers Peak Stampede Half Marathon & 5K Run

Fraser, CO

Half, 5K

Sat, Sep 18, 20271 race

All-Out Fall Fest

Westminster, CO

Half, 10K, 5K

Sat, Oct 16, 20272 races

Indian Creek Trail Runs

Sedalia, CO

Running Scared 5K/13K - Denver

Littleton, CO

5K