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Evergreen Trail Race Series
Evergreen, CO
Saturday, May 30th, 2026
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Dash4Hope 2026
Greeley, CO
Weld Your Mettle Running Festival
Eaton, CO
Brooks Mile High Mile
Denver, CO
The Barmen Mile
Arvada, CO
Wednesday, June 3rd, 2026
Global Running Day with Altra
StepUp For Women And Recovery
Fort Collins, CO
Saturday, June 6th, 2026
Berthoud Day 5K
Berthoud, CO
J-Town Jog 5K and Youth Mile
Johnstown, CO
Colorado 13er (Half Marathon/10k/5k)
Louisville, CO
Sunday, June 7th, 2026
RMRR June Trophy Series
Crazy Legs 10k+ Trail Run
Loveland, CO
The Big Run Presented by Brooks
Flamingo Day 5K
Sweat & Snack Community Run + Episode 1 Gel Pre...
Boulder, CO
Tuesday, June 9th, 2026
Guardian Games
Saturday, June 13th, 2026
Treat Trot Denver
Thornton, CO
All-Out Summer Breeze
Tutu Dash 5K
Broomfield, CO
Stepping Stone 5K
Littleton, CO
Holy Hammers Hustle for Habitat
Parker, CO
The Bullfrog Splashdown
Sunday, June 14th, 2026
HRCA Happy Hour Half K
Friday, June 19th, 2026
Muddy Dash | Denver 2026
Dacono, CO
Saturday, June 20th, 2026
FCRC Marathon Training Program
Red, White and Brew 5k, 10k & Half Marathon
Windsor, CO
Parker Parks and Recreation Dash Across the Dam...
Sierra's 5K Run/Walk Race Against Meningitis
Unicorn 5k (North)
Father's Day Classic 10k, 5k, & 1 Mile
Sunday, June 21st, 2026
Juneteenth Fun Run 5K
VIRTUAL 14th Annual Buffs4Life Kyle MacIntosh M...
Sunset Trail Running Festival
14th Annual Buffs4Life Kyle MacIntosh Memorial ...
The Red Schoolhouse Run
Tuesday, June 23rd, 2026
The Four Legged 5k
Bailey, CO
Friday, June 26th, 2026
Fitness Expo On Tap at the Colorado Tap House
Saturday, June 27th, 2026
Before The Fourth 5k
Denver Pride 5K
Pearl Street Mile
Firework Color Run
Blue Sky Ascent & Round Trip (formerly the Mt. ...
Idaho Springs, CO
Sunday, June 28th, 2026
Cade’s Cause: Concussion & CTE Awareness Run/Walk
Avery Brewing Co. 4K on the 4th
Saturday, July 4th, 2026
HRCA Independence Day 5K
Loveland Liberty 5K
Let Freedom Run 5k - LONGMONT
Longmont, CO
FireKracker 5k
4th of July Donut Hole Mile
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