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Arctic Prairie Dog Half, 10k & 5k
Louisville, CO
Sunday, January 18th, 2026
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Colorado Cold Rush
Chilly Willy 5K/10K/Half Marathon-Colorado Springs
Colorado Springs, CO
Saturday, January 24th, 2026
Yeti Chase 5k/10k
Morrison, CO
Sunday, January 25th, 2026
Westy Winter Waggle 5&10k
Westminster, CO
Saturday, February 7th, 2026
Parker Parks and Recreation Love 'em or Leave '...
Parker, CO
Saturday, February 14th, 2026
All-Out Mardi Crawl
Arvada, CO
Sunday, February 22nd, 2026
Time to Paddy 5k/10k & Lucky 13.1 - Denver
Denver, CO
Saturday, February 28th, 2026
Time to Paddy 5k/10k & Lucky 13.1 - Colorado Sp...
Sunday, March 1st, 2026
Lucky Brew Race 5K, 10K, 15k & Half Marathon
Severance, CO
Saturday, March 14th, 2026
Lucky Brew Race 5K, 10K, and 15K
Windsor, CO
Saturday, March 21st, 2026
All-Out Spring Fever
Golden, CO
Sunday, March 22nd, 2026
Run the Ranch
Loveland, CO
Friday, April 10th, 2026
Spring Fling Prairie Dog Half, 10k, & 5k
Sunday, April 12th, 2026
All-Out Beat the Heat
Saturday, April 18th, 2026
Great Western Trail Race
Donot Stop Half Marathon (5k/10k) - Colorado Sp...
DoNot Stop Half Marathon (5k/10k) - Denver
Littleton, CO
Sunday, April 19th, 2026
Pueblo Spring Runoff
Pueblo, CO
Sunday, April 26th, 2026
The Colorado Marathon
Fort Collins, CO
Sunday, May 3rd, 2026
Hometown Half Marathon & 5k/10k - Colorado Springs
Saturday, May 9th, 2026
Hometown Half Marathon & 5k/10k - Denver
Sunday, May 10th, 2026
Colorado Women's Classic - Westminster
Spirit Challenge Run for Autism 10k and 5k
Steamboat Springs, CO
Saturday, May 16th, 2026
5th Annual Angel Run at Red Leg Brewing
Monday, May 25th, 2026
Colorado 13er (Half Marathon/10k/5k)
Sunday, June 7th, 2026
The Steamboat Marathon
All-Out Summer Breeze
Saturday, June 13th, 2026
Treat Trot Denver
Treat Trot Colorado Springs
Sunday, June 14th, 2026
Garden of the Gods 10 Mile/10K and Trail Run
Red, White and Brew 5k, 10k, Half Marathon & 12...
Saturday, June 20th, 2026
Father's Day Classic 10k, 5k, & 1 Mile
Sunday, June 21st, 2026
Race in the Clouds - Alma Dirt Festival 2026
Alma, CO
Thursday, June 25th, 2026
Let Freedom Run 5k/10k - Louisville
Saturday, July 4th, 2026
2026 Independence Day 10k
Breckenridge, CO
Heatwave Half Marathon - Denver
Saturday, July 11th, 2026
All-Out Dog Days
Heatwave Half Marathon - Colorado Springs
Sunday, July 12th, 2026
Audi Power of Four Trail Run
Aspen, CO
Saturday, July 18th, 2026
Berthoud Gastro-Dash 10k
Berthoud, CO
Summer Splash Prairie Dog Half, 10k, & 5k
Castle Rock, CO
Summer Sizzler- Denver
Saturday, August 8th, 2026
All-Out Runapalooza
Summer Sizzler- Colorado Springs
Sunday, August 9th, 2026
Into the Hills Eltuck 10k
Bellvue, CO
Tuesday, August 11th, 2026
Pioneer Prairie Dog Half, 10k & 5k
Sunday, August 23rd, 2026
Golden Harvest Half Marathon & 5k/10k - Denver
Saturday, September 5th, 2026
Golden Harvest Half Marathon & 5k/10k - Colorad...
Sunday, September 6th, 2026
Labor Day Half Marathon
Monday, September 7th, 2026
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