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The Rocky Run by Eldorado PK-8 PTO
Superior, CO
Saturday, April 18th, 2026
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Great Western Trail Race
Severance, CO
All-Out Beat the Heat
Westminster, CO
Kerr Gulch Amble
Evergreen, CO
Horsetooth Half Marathon - Presented by Fort Co...
Fort Collins, CO
Sunday, April 19th, 2026
DoNot Stop Half Marathon (5k/10k) - Denver
Littleton, CO
2026 Fairmount Fit Fest
Golden, CO
Hot Laps - Denver
Denver, CO
Friday, April 24th, 2026
NoCo Half Marathon & 10K
Loveland, CO
Saturday, April 25th, 2026
Runs With Scissors Races
Brighton, CO
Bigfoot Half Marathon
Estes Park, CO
2026 Flying Pig 5K
Sunday, April 26th, 2026
Blue Heron Half & 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
CollaBEERation 5k & Brew Fest Party
Longmont, CO
Saturday, May 2nd, 2026
22nd Annual Bob Turner Classic 5K Run/Walk
Berthoud, CO
FireKracker 5K Training
High Line Canal 5K/10K Run
Centennial, CO
Adams County Foster Care 5K Run/Walk and 1 mile...
The Colorado Marathon
Sunday, May 3rd, 2026
Frank Shorter Track Classic
Rise Against Suicide - Emerge 5K
2026 Altitude Elementary Moose Mudder
Aurora, CO
Longmont Half & 5k (LM Half)
RMRR May Trophy Series
Dash & Dine 5k #2
Tuesday, May 5th, 2026
Quad Rock 25 & 50 Mile Trail Races
Bellvue, CO
Saturday, May 9th, 2026
The Great CO74 Trail Run
Kittredge, CO
Run For The Trees - 2 Mile Fun Run
Parker Parks and Recreation Miles over the Mead...
Parker, CO
2026 Five Star 5K, Mile of Smiles, and Wellness...
HRCA Mother's Day 5K
Highlands Ranch, CO
Cherry Creek Race for the Watershed 2026
Run for the Trees - BSBF 2-Mile Run
Hometown Half Marathon & 5k/10k - Denver
Sunday, May 10th, 2026
Colorado Women's Classic - Westminster
Denver Mother's Day 5K
Growing Home - Colfax Fundraiser
Saturday, May 16th, 2026
Girls on the Run 5K at Colfax - Running Buddies...
Gluten Free Gallop 5K
Girls on the Run Rockies Colfax SoleMates 2026
Sunday, May 17th, 2026
Healing Warriors Program 2026 Annual 5K Fun Run
Canine On the Creek
Dumont, CO
Miles for Smiles 5K
Arvada, CO
AdventHealth Race to Rebuild
Lone Tree, CO
Wednesday, May 20th, 2026
GMR Backyard Ultra
Saturday, May 23rd, 2026
Mile High Mile
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