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Dash4Hope 2026
Greeley, CO
Saturday, May 30th, 2026
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Evergreen Trail Race Series
Evergreen, CO
StepUp For Women And Recovery
Fort Collins, CO
Saturday, June 6th, 2026
Berthoud Day 5K
Berthoud, CO
J-Town Jog 5K and Kids 1 Mile Dash
Johnstown, CO
Colorado 13er (Half Marathon/10k/5k)
Louisville, CO
Sunday, June 7th, 2026
The Big Run Presented by Brooks
Denver, CO
Flamingo Day 5K
Sweat & Snack Community Run + Episode 1 Gel Pre...
Boulder, CO
Tuesday, June 9th, 2026
Treat Trot Denver
Thornton, CO
Saturday, June 13th, 2026
Tutu Dash 5K
Broomfield, CO
Stepping Stone 5K
Littleton, CO
All-Out Summer Breeze
Arvada, CO
The Bullfrog Splashdown
Sunday, June 14th, 2026
Unicorn 5k (North)
Saturday, June 20th, 2026
Red, White and Brew 5k, 10k, Half Marathon & 12...
Windsor, CO
Muddy Dash | Denver 2026
Dacono, CO
Sierra's 5K Run/Walk Race Against Meningitis
Loveland, CO
Father's Day Classic 10k, 5k, & 1 Mile
Sunday, June 21st, 2026
14th Annual Buffs4Life Kyle MacIntosh Memorial ...
Sunset Trail Running Festival
Juneteenth Fun Run 5K
The Red Schoolhouse Run
Tuesday, June 23rd, 2026
Firework Color Run
Saturday, June 27th, 2026
Fitness Expo On Tap at the Colorado Tap House
Before The Fourth 5k
Denver Pride 5K
Timberview Trail Run
Bellvue, CO
Let Freedom Run 5k - LONGMONT
Longmont, CO
Saturday, July 4th, 2026
Greeley Freedom 5k Walk & Run
Let Freedom Run 5k/10k - Louisville
FireKracker 5k
HRCA Independence Day 5K
Loveland Liberty 5K
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
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
Aurora, CO
Saturday, July 25th, 2026
Spirit of the West 5K Run/Walk
Golden, CO
Sunday, July 26th, 2026
12th Annual Run for the Ring
Saturday, August 1st, 2026
Eltuck Valley 5K - Lory Summer Trail Series
Tuesday, August 4th, 2026
Choice City Running Festival
Friday, August 7th, 2026
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