Any Length
Any Month
All-Out Mardi Crawl
Arvada, CO
Saturday, February 22nd, 2025
Time to Paddy 5k/10k & Lucky 13.1 - Denver
Denver, CO
Saturday, March 1st, 2025
All-Out Spring Fever
Golden, CO
Sunday, March 23rd, 2025
Spring Equinox
Wellington, CO
Spring Fling Prairie Dog Half, 10k, & 5k
Sunday, April 13th, 2025
Horsetooth Half Marathon
Fort Collins, CO
All-Out Beat the Heat
Westminster, CO
Saturday, April 19th, 2025
Great Western Trail Race
Severance, CO
Runs With Scissors Races
Brighton, CO
Saturday, April 26th, 2025
Bigfoot Half Marathon
Estes Park, CO
Blue Heron Half & 5K
Sunday, April 27th, 2025
Longmont Half & 5k (LM Half)
Longmont, CO
Sunday, May 4th, 2025
The Colorado Marathon
Colorado 13er (Half Marathon/10k/5k)
Louisville, CO
Sunday, June 1st, 2025
All-Out Summer Breeze
Saturday, June 7th, 2025
Red, White and Brew 5k, 10k, Half Marathon & 12...
Windsor, CO
Saturday, June 21st, 2025
Hometown Half Marathon & 5k/10k - Denver
All-Out Dog Days
Saturday, July 12th, 2025
Rocky Mountain Half Marathon & 5K
Friday, August 1st, 2025
All-Out Runapalooza
Saturday, August 2nd, 2025
Bound for Boston Marathon & Half Marathon - Denver
Sunday, August 3rd, 2025
Erie Half & 5k
Erie, CO
Sunday, August 17th, 2025
Black Squirrel Half Marathon
Bellvue, CO
Saturday, September 6th, 2025
All-Out Fall Fest
Saturday, September 13th, 2025
Spooky Sprint - Denver
Sunday, September 14th, 2025
Pioneer Prairie Dog Half, 10k & 5k
Saturday, September 27th, 2025
Windsor Marathon, Half Marathon, 10k & 5k
Sunday, October 5th, 2025
Layafette Music Fest Half-Marathon/10K/5K
The Long View Marathon
Saturday, October 11th, 2025
Westy Half & 5k
Sunday, October 12th, 2025
All-Out Kooky-Spooky
Sunday, November 2nd, 2025
All-Out Fa La La
Saturday, December 6th, 2025
All-Out Polar Prowl
Saturday, January 10th, 2026
