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Time to Paddy 5k/10k & Lucky 13.1 - Denver
Westminster, CO
Saturday, February 28th, 2026
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Denver, CO
RMRR March Trophy Series
Littleton, CO
Sunday, March 1st, 2026
Time to Paddy 5k/10k & Lucky 13.1 - Colorado Sp...
Colorado Springs, CO
Sharin' O' The Green 5k
Fort Collins, CO
Saturday, March 14th, 2026
8th Annual ☘️ShamROCK Stampede 5k & RRCA 10k St...
Castle Rock, CO
St. Paddy's Day Run
Berthoud, CO
Lucky Brew Race 5K, 10K, 15k & Half Marathon
Severance, CO
HRCA St. Patrick's Day 5K
Highlands Ranch, CO
Lucky Leprechaun 5K
Boulder, CO
Sunday, March 15th, 2026
Lucky Brew Race 5K, 10K, and 15K
Windsor, CO
Saturday, March 21st, 2026
Central Park 5k
Sunday, March 22nd, 2026
All-Out Spring Fever
Golden, CO
Dance Marathon 5K
Sunday, March 29th, 2026
Spring Equinox
Wellington, CO
DU Run Into Spring 5k
Gunnison, CO
Run the Ranch
Loveland, CO
Friday, April 10th, 2026
Dash for Detection: Oral Cancer Awareness 5K
Saturday, April 11th, 2026
Rockin on the River 5K
CRMAC Uplift Her - 5K Run/Walk
Hop Into Spring 5K - Denver
Sunday, April 12th, 2026
Donut Dash
Spring Fling Prairie Dog Half, 10k, & 5k
Arvada, CO
Platte River Half-Marathon and Relay
Donot Stop Half Marathon (5k/10k) - Colorado Sp...
Saturday, April 18th, 2026
Woody's Tortoise And Hare
Fountain, CO
Great Western Trail Race
Earth Day 5K
Durango, CO
All-Out Beat the Heat
DoNot Stop Half Marathon (5k/10k) - Denver
Sunday, April 19th, 2026
Fairmount Fit Fest
Bigfoot Half Marathon
Estes Park, CO
Saturday, April 25th, 2026
Alpine Autism Center 19th Annual "Run for the O...
Strut for Mutts 2026
Rifle, CO
Blue Heron Half & 5K
Brighton, CO
Sunday, April 26th, 2026
Pueblo Spring Runoff
Pueblo, CO
Unicorn 5k (Denver-East)
2026 Flying Pig 5K
Dash & Dine 5k
Tuesday, April 28th, 2026
Friends of the National Center Science Stride 5K
Friday, May 1st, 2026
Adams County Foster Care 5K Run/Walk and 1 mile...
Saturday, May 2nd, 2026
9th edition CollaBEERation 5k & Brew Fest Party
Longmont, CO
22nd Annual Bob Turner Classic 5K Run/Walk
High Line Canal 5K/10K Run
Centennial, CO
Walk Run or Roll for Daniel
Rise Against Suicide - Emerge 5K
Sunday, May 3rd, 2026
Frank Shorter Track Classic
RMRR May Trophy Series
The Colorado Marathon
Hayden Cog Run
Hayden, CO
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