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DU Dash Colorado
Palmer Lake, CO
Sunday, June 7th, 2026
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Crazy Legs 10k+ Trail Run
Loveland, CO
The Steamboat Marathon
Steamboat Springs, CO
Colorado 13er (Half Marathon/10k/5k)
Louisville, CO
Treat Trot - Denver
Thornton, CO
Saturday, June 13th, 2026
Treat Trot Denver
Denver, CO
All-Out Summer Breeze
Arvada, CO
The Bullfrog Splashdown
Littleton, CO
Sunday, June 14th, 2026
Treat Trot Colorado Springs
Colorado Springs, CO
Garden of the Gods 10 Mile/10K and Trail Run
Red, White and Brew 5k, 10k & Half Marathon
Windsor, CO
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
The Sunlight Showdown
Glenwood Springs, CO
Saturday, June 27th, 2026
SBT TRL
Durango Brewer's Trail Series
Durango, CO
Thursday, July 2nd, 2026
2026 Independence Day 10k
Breckenridge, CO
Saturday, July 4th, 2026
Let Freedom Run 5k/10k - Louisville
Ourayce 10K Fun Run
Ouray, CO
Heatwave Half Marathon - Denver
Saturday, July 11th, 2026
All-Out Dog Days
Westminster, CO
Heatwave Half Marathon - Colorado Springs
Sunday, July 12th, 2026
Summer Splash Prairie Dog Half, 10k, & 5k
Castle Rock, CO
Saturday, July 18th, 2026
Berthoud Gastro-Dash 10k
Berthoud, CO
Audi Power of Four Trail Run
Aspen, CO
Popsicle 5K/10K/Half - Colorado Springs
Saturday, August 1st, 2026
Choice City Running Festival
Fort Collins, CO
Friday, August 7th, 2026
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
Just Peachy 5k & 10k
Palisade, CO
Saturday, August 15th, 2026
The Cheyenne Mountain Run
2026 True Impact Ministries 5K/10K
Centennial, CO
Saturday, August 22nd, 2026
Pioneer Prairie Dog Half, 10k & 5k
Sunday, August 23rd, 2026
11th Annual Log Hill Hustle
Ridgway, CO
Golden Harvest Half Marathon & 5k/10k - Denver
Saturday, September 5th, 2026
Break Your Neck: Walk, Run, or Roll
Pueblo, CO
Golden Harvest Half Marathon & 5k/10k - Colorad...
Sunday, September 6th, 2026
Labor Day Half Marathon
Parker, CO
Monday, September 7th, 2026
14th Annual Superhero Event
Greeley, CO
Thursday, September 10th, 2026
Trail Sisters Women's Half Marathon & 10k
Buena Vista, CO
Saturday, September 12th, 2026
RMRR September Trophy Series
Sunday, September 13th, 2026
Autumn Run
Saturday, September 19th, 2026
Beulah Challenge and OverIt Series
Beulah, CO
Wellington STAR Foundation 5K 10K
Wellington, CO
All-Out Fall Fest
20th Annual Golden Gallop
Golden, CO
Sunday, September 20th, 2026
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