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Edora Park T&H 8K
Fort Collins, CO
Sunday, February 1st, 2026
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Westy Winter Waggle 5&10k
Westminster, CO
Saturday, February 7th, 2026
Sweetheart Classic
Loveland, CO
Saturday, February 14th, 2026
Bacon Strip Race
Sunday, February 22nd, 2026
Time to Paddy 5k/10k & Lucky 13.1 - Denver
Saturday, February 28th, 2026
Erin Go Bragh 7.77k
Saturday, March 14th, 2026
St. Paddy's Day Run
Berthoud, CO
Lucky Brew Race 5K, 10K, 15k & Half Marathon
Severance, CO
Sharin' O' The Green 5k
Lucky Leprechaun 5K
Boulder, CO
Sunday, March 15th, 2026
Lucky Brew Race 5K, 10K, and 15K
Windsor, CO
Saturday, March 21st, 2026
Cryogenic Cannibal Chase
Estes Park, CO
Saturday, March 28th, 2026
RMRR Spring Marathon Training Series #1
Thornton, CO
Sunday, March 29th, 2026
Spring Equinox
Wellington, CO
Run the Ranch
Friday, April 10th, 2026
RMRR Spring Marathon Training Series #2
Saturday, April 11th, 2026
Boulder Track Series Meet 1
Longmont, CO
Sunday, April 12th, 2026
Prairie Dog Run Series
Louisville, CO
All-Out Beat the Heat
Saturday, April 18th, 2026
Great Western Trail Race
Horsetooth Half Marathon
Sunday, April 19th, 2026
Bigfoot Half Marathon
Saturday, April 25th, 2026
NoCo Half Marathon & 10K
Runs With Scissors Races
Brighton, CO
2026 Flying Pig 5K
Sunday, April 26th, 2026
Dash & Dine 5k
Tuesday, April 28th, 2026
Friends of the National Center Science Stride 5K
Friday, May 1st, 2026
9th edition CollaBEERation 5k & Brew Fest Party
Saturday, May 2nd, 2026
Adams County Foster Care 5K Run/Walk and 1 mile...
Longmont Half & 5k (LM Half)
Sunday, May 3rd, 2026
Frank Shorter Track Classic
The Colorado Marathon
Dash & Dine 5k #2
Tuesday, May 5th, 2026
Quad Rock 25 & 50 Mile Trail Races
Bellvue, CO
Saturday, May 9th, 2026
Run For The Trees - 2 Mile Fun Run
Colorado Women's Classic - Westminster
Sunday, May 10th, 2026
Dog Jog
Cheyenne, WY
Saturday, May 16th, 2026
Weld Your Mettle Running Festival
Eaton, CO
Saturday, May 30th, 2026
J-Town Jog 5K and Jr 1 Mile Dash
Johnstown, CO
Saturday, June 6th, 2026
StepUp For Women And Recovery
Colorado 13er (Half Marathon/10k/5k)
Sunday, June 7th, 2026
Guardian Games
Saturday, June 13th, 2026
Red, White and Brew 5k, 10k & Half Marathon
Saturday, June 20th, 2026
Sierra's 5K Run/Walk Race Against Meningitis
Unicorn 5k (North)
Muddy Dash | Denver 2026
Dacono, CO
Timberview Trail Run
Saturday, June 27th, 2026
Let Freedom Run 5k - LONGMONT
Saturday, July 4th, 2026
Red Feather Lakes 3.6 Mile Fun Run
Red Feather Lakes, CO
Greeley Freedom 5k Walk & Run
Greeley, CO
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