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Trail
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Evergreen Trail Race Series
Evergreen, CO
Saturday, May 30th, 2026
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Brooks Mile High Mile
Denver, CO
The Barmen Mile
Arvada, CO
Wednesday, June 3rd, 2026
The Big Run Presented By Brooks
Colorado Springs, CO
Global Running Day with Altra & Runners Roost
Aiden's Adventure 5k
Saturday, June 6th, 2026
Nielson Challenge
RMRR June Trophy Series
Sunday, June 7th, 2026
The Big Run Presented by Brooks
DU Dash Colorado
Palmer Lake, CO
Flamingo Day 5K
Tutu Dash 5K
Broomfield, CO
Saturday, June 13th, 2026
The Springs Downhill Mile
Treat Trot Denver
Holy Hammers Hustle for Habitat
Parker, CO
Thornton, CO
All-Out Summer Breeze
Stepping Stone 5K
Littleton, CO
Treat Trot Colorado Springs
Sunday, June 14th, 2026
The Bullfrog Splashdown
Garden of the Gods 10 Mile/10K and Trail Run
Garden of the Gods Little Horn and Big Horn Kid...
HRCA Happy Hour Half K
Friday, June 19th, 2026
Parker Parks and Recreation
Saturday, June 20th, 2026
Unicorn 5k (North)
Fatherhood 5k Family Run/Walk
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
Denver Pride 5K
Saturday, June 27th, 2026
Before The Fourth 5k
Fitness Expo On Tap at the Colorado Tap House
Cade’s Cause: Concussion & CTE Awareness Run/Walk
Sunday, June 28th, 2026
4th of July Donut Hole Mile
Saturday, July 4th, 2026
Palmer Lake July 4th Fun Run
HRCA Independence Day 5K
Heatwave Half Marathon - Denver
Saturday, July 11th, 2026
All-Out Dog Days
Westminster, CO
DRMABPsi 1–5K Walk, Run & Roll
Cookie Chase
RMRR July Trophy Series
Lakewood, CO
Sunday, July 12th, 2026
Heatwave Half Marathon - Colorado Springs
Diplo's Run Club Denver
PNAAF 5K Wellness Challenge
Thursday, July 16th, 2026
Summer Splash Prairie Dog Half, 10k, & 5k
Castle Rock, CO
Saturday, July 18th, 2026
Heritage Eagles 5K
CU Anschutz Run Club 5K
Aurora, CO
Barr Trail Mountain Race
Manitou Springs, CO
Sunday, July 19th, 2026
The Hero's Journey 5K
Saturday, July 25th, 2026
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