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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
DU Dash Colorado
Palmer Lake, CO
Sunday, June 7th, 2026
The Big Run Presented by Brooks
Denver, CO
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Flamingo Day 5K
Colorado 13er (Half Marathon/10k/5k)
Louisville, CO
Sweat & Snack Community Run + OutsideTV Series ...
Boulder, CO
Tuesday, June 9th, 2026
Treat Trot Denver
Saturday, June 13th, 2026
Stepping Stone 5K
Littleton, CO
Tutu Dash 5K
Broomfield, CO
All-Out Summer Breeze
Arvada, CO
Treat Trot - Denver
Thornton, CO
Holy Hammers Hustle for Habitat
Parker, CO
The Bullfrog Splashdown
Sunday, June 14th, 2026
Treat Trot Colorado Springs
Unicorn 5k (North)
Saturday, June 20th, 2026
Muddy Dash | Denver 2026
Dacono, CO
Fatherhood 5k Family Run/Walk
Parker Parks and Recreation Dash Across the Dam...
VIRTUAL 14th Annual Buffs4Life Kyle MacIntosh M...
Sunday, June 21st, 2026
Sunset Trail Running Festival
Father's Day Classic 10k, 5k, & 1 Mile
Juneteenth Fun Run 5K
14th Annual Buffs4Life Kyle MacIntosh Memorial ...
The Red Schoolhouse Run
Tuesday, June 23rd, 2026
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
Let Freedom Run 5k/10k - Louisville
6th Annual July 4th ROCK-IT RUN
Castle Rock, CO
BRR All-Comers Summer Track & Field Series #3
Thursday, July 9th, 2026
DRMABPsi 1–5K Walk, Run & Roll
Saturday, July 11th, 2026
Heatwave Half Marathon - Denver
Cookie Chase
All-Out Dog Days
Westminster, CO
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
Heritage Eagles 5K
Summer Splash Prairie Dog Half, 10k, & 5k
The Hero's Journey 5K
Saturday, July 25th, 2026
Spirit of the West 5K Run/Walk
Golden, CO
Sunday, July 26th, 2026
STEPS TO EMPOWER
Saturday, August 1st, 2026
Popsicle 5K/10K/Half - Colorado Springs
12th Annual Run for the Ring
Unicorn 5k (South)
Highlands Ranch, CO
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