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The Rocky Run by Eldorado PK-8 PTO
Superior, CO
Saturday, April 18th, 2026
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Woody's Tortoise And Hare
Fountain, CO
Great Western Trail Race
Severance, CO
Earth Day 5K
Durango, CO
Kerr Gulch Amble
Evergreen, CO
Donot Stop Half Marathon (5k/10k) - Colorado Sp...
Colorado Springs, CO
All-Out Beat the Heat
Westminster, CO
Horsetooth Half Marathon
Fort Collins, CO
Sunday, April 19th, 2026
DoNot Stop Half Marathon (5k/10k) - Denver
Littleton, CO
Fairmount Fit Fest
Golden, CO
Hot Laps - Denver
Denver, CO
Friday, April 24th, 2026
Runs With Scissors Races
Brighton, CO
Saturday, April 25th, 2026
Bigfoot Half Marathon
Estes Park, CO
Alpine Autism Center 19th Annual "Run for the O...
Strut for Mutts 2026
Rifle, CO
NoCo Half Marathon & 10K
Loveland, CO
Funner to be a Runner
Pueblo, CO
Sunday, April 26th, 2026
Pueblo Spring Runoff
Blue Heron Half & 5K
2026 Flying Pig 5K
Unicorn 5k (Denver-East)
Dash & Dine 5k
Boulder, CO
Tuesday, April 28th, 2026
Friends of the National Center Science Stride 5K
Friday, May 1st, 2026
22nd Annual Bob Turner Classic 5K Run/Walk
Berthoud, CO
Saturday, May 2nd, 2026
9th edition CollaBEERation 5k & Brew Fest Party
Longmont, CO
Nielson Challenge
Walk Run or Roll for Daniel
MayFest Fun Run
Parachute, CO
DU Spring Sprint 5k
Gunnison, CO
High Line Canal 5K/10K Run
Centennial, CO
Adams County Foster Care 5K Run/Walk and 1 mile...
Greenland Trail Races
Larkspur, CO
FireKracker 5K Training
2026 Altitude Elementary Moose Mudder
Aurora, CO
Sunday, May 3rd, 2026
Frank Shorter Track Classic
Rise Against Suicide’s Emerge 5K
RMRR May Trophy Series
Hayden Cog Run
Hayden, CO
Water Wells for Africa 5k Walk/Run
Silt, CO
The Colorado Marathon
Longmont Half & 5k (LM Half)
Dash & Dine 5k #2
Tuesday, May 5th, 2026
2026 Five Star 5K, Mile of Smiles, and Wellness...
Saturday, May 9th, 2026
Run for the Trees - BSBF 2-Mile Run
Run For The Trees - 2 Mile Fun Run
Kadet Football 5K
Quad Rock 25 & 50 Mile Trail Races
Bellvue, CO
The Great CO74 Trail Run
Kittredge, CO
Colterris Wine Run 5k
Palisade, CO
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