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RMRR Feb Trophy Series
Englewood, CO
Sunday, February 1st, 2026
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Running Up for Air - Staunton Rocks
Pine, CO
Friday, February 6th, 2026
Nielson Challenge
Colorado Springs, CO
Saturday, February 7th, 2026
Westy Winter Waggle 5&10k
Westminster, CO
Super Half Marathon™ & Game Day 5K™ Presented b...
Sunday, February 8th, 2026
Super Sunday 5K
Littleton, CO
Heart Throb 5k
Arvada, CO
Saturday, February 14th, 2026
Parker Parks and Recreation Love 'em or Leave '...
Parker, CO
Virginia Canyon is for Lovers
Idaho Springs, CO
Ralston Creek Half Marathon & 5k
Sunday, February 15th, 2026
Chilly Cheeks Duathlon
Saturday, February 21st, 2026
Stories Trail Runs
Highlands Ranch 5k
Highlands Ranch, CO
Sunday, February 22nd, 2026
All-Out Mardi Crawl
Time to Paddy 5k/10k & Lucky 13.1 - Denver
Denver, CO
Saturday, February 28th, 2026
Time to Paddy 5k/10k & Lucky 13.1 - Colorado Sp...
Sunday, March 1st, 2026
RMRR March Trophy Series
4th Anniversary Beer and Donut Hole Miles
Saturday, March 7th, 2026
Erin Go Bragh 7.77k
Saturday, March 14th, 2026
HRCA St. Patrick's Day 5K
Lucky Leprechaun 5K
Boulder, CO
Sunday, March 15th, 2026
Central Park 5k
Sunday, March 22nd, 2026
All-Out Spring Fever
Golden, CO
The City Park Circuit
Saturday, March 28th, 2026
RMRR Spring Marathon Training Series #1
Thornton, CO
Sunday, March 29th, 2026
Three Creeks Half Marathon
Sunday, April 5th, 2026
Hot Laps - Denver
Thursday, April 9th, 2026
Run Through The Decades 6K/7K/8K/Half - Colorad...
Saturday, April 11th, 2026
RMRR Spring Marathon Training Series #2
RMRR April Trophy Series
Sunday, April 12th, 2026
Prairie Dog Run Series
Louisville, CO
Spring Fling Prairie Dog Half, 10k, & 5k
Platte River Half-Marathon and Relay
Healthy Kids Running Series Spring 2026 - Denve...
Donut Dash
Healthy Kids Running Series Spring 2026 - Auror...
Aurora, CO
All-Out Beat the Heat
Saturday, April 18th, 2026
Donot Stop Half Marathon (5k/10k) - Colorado Sp...
DoNot Stop Half Marathon (5k/10k) - Denver
Sunday, April 19th, 2026
Fairmount 5k
Runs With Scissors Races
Brighton, CO
Saturday, April 25th, 2026
Alpine Autism Center 19th Annual "Run for the O...
Unicorn 5k (Denver-East)
Sunday, April 26th, 2026
2026 Dash & Dine 5k Run Series
Tuesday, April 28th, 2026
Friends of the National Center Science Stride 5K
Friday, May 1st, 2026
Walk Run or Roll for Daniel
Saturday, May 2nd, 2026
Adams County Foster Care 5K Run/Walk and 1 mile...
Greenland Trail Races
Larkspur, CO
RMRR May Trophy Series
Sunday, May 3rd, 2026
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