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Heart Throb 5k
Arvada, CO
Saturday, February 14th, 2026
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Parker Parks and Recreation Love 'em or Leave '...
Parker, CO
Ralston Creek Half Marathon & 5k
Sunday, February 15th, 2026
All-Out Mardi Crawl
Sunday, February 22nd, 2026
Highlands Ranch 5k
Highlands Ranch, CO
Time to Paddy 5k/10k & Lucky 13.1 - Denver
Denver, CO
Saturday, February 28th, 2026
Westminster, CO
Time to Paddy 5k/10k & Lucky 13.1 - Colorado Sp...
Colorado Springs, CO
Sunday, March 1st, 2026
RMRR March Trophy Series
Littleton, CO
HRCA St. Patrick's Day 5K
Saturday, March 14th, 2026
Lucky Leprechaun 5K
Boulder, CO
Sunday, March 15th, 2026
All-Out Spring Fever
Golden, CO
Sunday, March 22nd, 2026
Central Park 5k
Rockin on the River 5K
Saturday, April 11th, 2026
Donut Dash
Sunday, April 12th, 2026
Platte River Half-Marathon and Relay
Spring Fling Prairie Dog Half, 10k, & 5k
Hop Into Spring 5K - Denver
Donot Stop Half Marathon (5k/10k) - Colorado Sp...
Saturday, April 18th, 2026
All-Out Beat the Heat
DoNot Stop Half Marathon (5k/10k) - Denver
Sunday, April 19th, 2026
Fairmount Fit Fest
Alpine Autism Center 19th Annual "Run for the O...
Saturday, April 25th, 2026
Unicorn 5k (Denver-East)
Sunday, April 26th, 2026
Blue Heron Half & 5K
Brighton, CO
2026 Dash & Dine 5k Run Series
Tuesday, April 28th, 2026
Friends of the National Center Science Stride 5K
Friday, May 1st, 2026
9th edition CollaBEERation 5k & Brew Fest Party
Longmont, CO
Saturday, May 2nd, 2026
Walk Run or Roll for Daniel
Adams County Foster Care 5K Run/Walk and 1 mile...
RMRR May Trophy Series
Sunday, May 3rd, 2026
Frank Shorter Track Classic
Longmont Half & 5k (LM Half)
Dash & Dine 5k #2
Tuesday, May 5th, 2026
HRCA Mother's Day 5K
Saturday, May 9th, 2026
2026 Five Star 5K, Mile of Smiles, and Wellness...
Hometown Half Marathon & 5k/10k - Colorado Springs
Parker Parks and Recreation Miles over the Mead...
Denver Mother's Day 5K
Sunday, May 10th, 2026
Hometown Half Marathon & 5k/10k - Denver
Super Mom 5K/10K/Half - Colorado Springs
Colorado Women's Classic - Westminster
Miles for Smiles 5K
Sunday, May 17th, 2026
Farish Trail Race
Woodland Park, CO
Saturday, May 23rd, 2026
5th Annual Angel Run at Red Leg Brewing
Monday, May 25th, 2026
Aiden's Adventure 5k
Saturday, June 6th, 2026
Flamingo Day 5K
Sunday, June 7th, 2026
Colorado 13er (Half Marathon/10k/5k)
Louisville, CO
All-Out Summer Breeze
Saturday, June 13th, 2026
Stepping Stone 5K
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