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Time to Paddy 5k/10k & Lucky 13.1 - Denver
Denver, CO
Saturday, February 28th, 2026
Want to feature your race?
Westminster, CO
2026 Team CKF Running Series
Aspen, CO
Lee Martinez Park T&H 10K
Fort Collins, CO
Sunday, March 1st, 2026
Time to Paddy 5k/10k & Lucky 13.1 - Colorado Sp...
Colorado Springs, CO
RMRR March Trophy Series
Littleton, CO
Buddy Werner Championship - Powderhorn
Mesa, CO
Saturday, March 7th, 2026
4th Anniversary Beer and Donut Hole Miles
Arvada, CO
Nielson Challenge
Luck of the Irish 7k
Steamboat Springs, CO
Saturday, March 14th, 2026
8th Annual ☘️ShamROCK Stampede 5k & RRCA 10k St...
Castle Rock, CO
Sharin' O' The Green 5k
Lucky Brew Race 5K, 10K, 15k & Half Marathon
Severance, CO
21st Annual Run Through Time Trail Marathon and...
Salida, CO
HRCA St. Patrick's Day 5K
Highlands Ranch, CO
Erin Go Bragh 7.77k
St. Paddy's Day Run
Berthoud, CO
Lucky Leprechaun 5K
Boulder, CO
Sunday, March 15th, 2026
Lucky Brew Race 5K, 10K, and 15K
Windsor, CO
Saturday, March 21st, 2026
All-Out Spring Fever
Golden, CO
Sunday, March 22nd, 2026
Central Park 5k
The City Park Circuit
Saturday, March 28th, 2026
Cryogenic Cannibal Chase
Estes Park, CO
DU Run Into Spring 5k
Gunnison, CO
Sunday, March 29th, 2026
RMRR Spring Marathon Training Series #1
Thornton, CO
New Terrain Table Traverse
Spring Equinox
Wellington, CO
Dance Marathon 5K
Three Creeks Half Marathon
Englewood, CO
Sunday, April 5th, 2026
Hot Laps - Denver
Thursday, April 9th, 2026
Run the Ranch
Loveland, CO
Friday, April 10th, 2026
Dash for Detection: Oral Cancer Awareness 5K
Saturday, April 11th, 2026
Run Through The Decades 6K/7K/8K/Half - Colorad...
CRMAC Uplift Her - 5K Run/Walk
RMRR Spring Marathon Training Series #2
Rockin on the River 5K
Donut Dash
Sunday, April 12th, 2026
Healthy Kids Running Series Spring 2026 - Auror...
Aurora, CO
Healthy Kids Running Series Spring 2026 - Fort ...
Boulder Track Series Meet 1
Longmont, CO
Prairie Dog Run Series
Louisville, CO
Platte River Half-Marathon and Relay
Spring Fling Prairie Dog Half, 10k, & 5k
Hop Into Spring 5K - Denver
RMRR April Trophy Series
Healthy Kids Running Series Spring 2026 - Denve...
Earth Day 5K
Durango, CO
Saturday, April 18th, 2026
Woody's Tortoise And Hare
Fountain, CO
Kerr Gulch Amble
Evergreen, CO
Great Western Trail Race
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