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J-Town Jog 5K and Kids 1 Mile Dash
Johnstown, CO
Saturday, June 6th, 2026
Berthoud Day 5K
Berthoud, CO
DU Dash Colorado
Palmer Lake, CO
Sunday, June 7th, 2026
The Big Run Presented by Brooks
Denver, CO
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Colorado 13er (Half Marathon/10k/5k)
Louisville, CO
Flamingo Day 5K
Sweat & Snack Community Run + Episode 1 Gel Pre...
Boulder, CO
Tuesday, June 9th, 2026
Holy Hammers Hustle for Habitat
Parker, CO
Saturday, June 13th, 2026
Stepping Stone 5K
Littleton, CO
Treat Trot - Denver
Thornton, CO
Tutu Dash 5K
Broomfield, CO
Treat Trot Denver
All-Out Summer Breeze
Arvada, CO
The Bullfrog Splashdown
Sunday, June 14th, 2026
Sierra's 5K Run/Walk Race Against Meningitis
Loveland, CO
Saturday, June 20th, 2026
Red, White and Brew 5k, 10k, Half Marathon & 12...
Windsor, CO
Unicorn 5k (North)
Parker Parks and Recreation Dash Across the Dam...
Muddy Dash | Denver 2026
Dacono, CO
VIRTUAL 14th Annual Buffs4Life Kyle MacIntosh M...
Sunday, June 21st, 2026
Father's Day Classic 10k, 5k, & 1 Mile
Sunset Trail Running Festival
14th Annual Buffs4Life Kyle MacIntosh Memorial ...
Juneteenth Fun Run 5K
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
Fitness Expo On Tap at the Colorado Tap House
Denver Pride 5K
Firework Color Run
Greeley Freedom 5k Walk & Run
Greeley, CO
Saturday, July 4th, 2026
Loveland Liberty 5K
6th Annual July 4th ROCK-IT RUN
Castle Rock, CO
HRCA Independence Day 5K
Let Freedom Run 5k - LONGMONT
Longmont, CO
Let Freedom Run 5k/10k - Louisville
BRR All-Comers Summer Track & Field Series #3
Thursday, July 9th, 2026
Heatwave Half Marathon - Denver
Saturday, July 11th, 2026
DRMABPsi 1–5K Walk, Run & Roll
All-Out Dog Days
Westminster, CO
Cookie Chase
Diplo's Run Club Denver
Sunday, July 12th, 2026
Heritage Eagles 5K
Saturday, July 18th, 2026
Summer Splash Prairie Dog Half, 10k, & 5k
CU Anschutz Run Club 5K
Aurora, CO
One Is Too Many: Veteran Suicide Awareness 5k a...
Sunday, July 19th, 2026
Flyin' Ryan Memorial 5k
Friday, July 24th, 2026
The Hero's Journey 5K
Saturday, July 25th, 2026
Spirit of the West 5K Run/Walk
Golden, CO
Sunday, July 26th, 2026
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