Upcoming Half Marathon Races Near Fraser, CO

All-Out Mardi Crawl

Arvada, CO

Saturday, February 22nd, 2025

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

Morrison, CO

Saturday, March 1st, 2025

All-Out Spring Fever

Golden, CO

Sunday, March 23rd, 2025

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

Arvada, CO

Sunday, April 13th, 2025

Platte River Half-Marathon and Relay

Littleton, CO

Sunday, April 13th, 2025

Three Creeks Half Marathon

Englewood, 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

Longmont Half & 5k (LM Half)

Longmont, 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

Hometown Half Marathon & 5k/10k - Denver

Westminster, 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

Staunton Rocks! Marathon and Half Marathon

Pine, CO

Saturday, August 23rd, 2025

Byers Peak Stampede Half Marathon & 5K Run

Fraser, CO

Saturday, August 23rd, 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

Westy Half & 5k

Westminster, CO

Sunday, October 12th, 2025

All-Out Kooky-Spooky

Golden, CO

Sunday, November 2nd, 2025

All-Out Fa La La

Westminster, CO

Saturday, December 6th, 2025

All-Out Polar Prowl

Arvada, CO

Saturday, January 10th, 2026