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Trail
Fast
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Evergreen Trail Race Series
Evergreen, CO
Saturday, May 30th, 2026
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The Big Run Presented By Brooks
Colorado Springs, CO
Wednesday, June 3rd, 2026
Aiden's Adventure 5k
Saturday, June 6th, 2026
Flamingo Day 5K
Denver, CO
Sunday, June 7th, 2026
DU Dash Colorado
Palmer Lake, CO
The Big Run Presented by Brooks
Tutu Dash 5K
Broomfield, CO
Saturday, June 13th, 2026
Treat Trot Denver
Thornton, CO
Stepping Stone 5K
Littleton, CO
All-Out Summer Breeze
Arvada, CO
Holy Hammers Hustle for Habitat
Parker, CO
Treat Trot Colorado Springs
Sunday, June 14th, 2026
The Bullfrog Splashdown
Fatherhood 5k Family Run/Walk
Saturday, June 20th, 2026
Unicorn 5k (North)
Parker Parks and Recreation
Juneteenth Fun Run 5K
Sunday, June 21st, 2026
Father's Day Classic 10k, 5k, & 1 Mile
The Four Legged 5k
Bailey, CO
Friday, June 26th, 2026
Before The Fourth 5k
Saturday, June 27th, 2026
Denver Pride 5K
Fitness Expo On Tap at the Colorado Tap House
HRCA Independence Day 5K
Saturday, July 4th, 2026
All-Out Dog Days
Westminster, CO
Saturday, July 11th, 2026
DRMABPsi 1–5K Walk, Run & Roll
Heatwave Half Marathon - Denver
Cookie Chase
Heatwave Half Marathon - Colorado Springs
Sunday, July 12th, 2026
Diplo's Run Club Denver
PNAAF 5K Wellness Challenge
Thursday, July 16th, 2026
CU Anschutz Run Club 5K
Aurora, CO
Saturday, July 18th, 2026
Summer Splash Prairie Dog Half, 10k, & 5k
Castle Rock, CO
Heritage Eagles 5K
The Hero's Journey 5K
Saturday, July 25th, 2026
Spirit of the West 5K Run/Walk
Golden, CO
Sunday, July 26th, 2026
Unicorn 5k (South)
Highlands Ranch, CO
Saturday, August 1st, 2026
STEPS TO EMPOWER
Popsicle 5K/10K/Half - Colorado Springs
12th Annual Run for the Ring
RMRR August Trophy Series
Centennial, CO
Friday, August 7th, 2026
Arapahoe Warrior 5K
Saturday, August 8th, 2026
All-Out Runapalooza
Summer Sizzler- Denver
Summer Sizzler- Colorado Springs
Sunday, August 9th, 2026
Pancake Stampede 5K
The Bullfrog Summer Surge
Lakewood, CO
Miles for Migraine Colorado
Saturday, August 15th, 2026
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