Upcoming Half Marathon Races Near Estes Park, CO

All-Out Fa La La

Westminster, CO

Saturday, December 7th, 2024

All-Out Polar Prowl

Arvada, CO

Saturday, January 11th, 2025

Prairie Dog Run Series

Louisville, CO

Sunday, January 12th, 2025

Arctic Prairie Dog Half, 10k & 5k

Louisville, CO

Sunday, January 19th, 2025

All-Out Mardi Crawl

Arvada, CO

Saturday, February 22nd, 2025

All-Out Spring Fever

Golden, CO

Sunday, March 23rd, 2025

Horsetooth Half Marathon

Fort Collins, CO

Sunday, April 13th, 2025

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

Arvada, CO

Sunday, April 13th, 2025

All-Out Beat the Heat

Westminster, CO

Saturday, April 19th, 2025

Bigfoot Half Marathon

Estes Park, CO

Saturday, April 26th, 2025

Runs With Scissors Races

Brighton, CO

Saturday, April 26th, 2025

Blue Heron Half & 5K

Brighton, CO

Sunday, April 27th, 2025

Longmont Half & 5k (LM Half)

Longmont, CO

Sunday, May 4th, 2025

The Colorado Marathon

Fort Collins, CO

Sunday, May 4th, 2025

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

Louisville, CO

Sunday, June 1st, 2025

All-Out Summer Breeze

Arvada, CO

Saturday, June 7th, 2025

Red, White and Brew 5k, 10k, Half Marathon & 12...

Windsor, CO

Saturday, June 21st, 2025

All-Out Dog Days

Westminster, CO

Saturday, July 12th, 2025

Rocky Mountain Half Marathon & 5K

Estes Park, CO

Friday, August 1st, 2025

All-Out Runapalooza

Arvada, CO

Saturday, August 2nd, 2025

Erie Half & 5k

Erie, CO

Sunday, August 17th, 2025

All-Out Fall Fest

Westminster, CO

Saturday, September 13th, 2025

Pioneer Prairie Dog Half, 10k & 5k

Westminster, CO

Saturday, September 27th, 2025

Layafette Music Fest Half-Marathon/10K/5K

Louisville, CO

Sunday, October 5th, 2025

The Long View Marathon

Fort Collins, CO

Saturday, October 11th, 2025

Westy Half & 5k

Westminster, CO

Sunday, October 12th, 2025

All-Out Kooky-Spooky

Golden, CO

Sunday, November 2nd, 2025