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Blue Sky Marathon & Half
Fort Collins, CO
Saturday, October 18th, 2025
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Blue Sky Trail Marathon & Half Marathon
Homecoming 5k - Colorado State University
2025 Redrum Fun Run
Greeley, CO
Saturday, October 25th, 2025
2025 Eerie Erie
Erie, CO
Narrowleaf Lake Run & Pumpkin Run
Loveland, CO
Sunday, October 26th, 2025
11th edition Sole Mates 5k & Brew Fest presente...
Longmont, CO
Saturday, November 1st, 2025
Colleen De Reuck XC Classic
Boulder, CO
COMEA Turkey Trot 5K and Kid's Gobble Wobble
Cheyenne, WY
Colorado 24 Hour Run
Girls on the Run Northern Colorado Fall 5K
Sunday, November 2nd, 2025
Bell Ringer 4 Miler
Saturday, November 8th, 2025
BSBF 2- Mile Fun Run - Bell Ringer
2025 Loveland Turkey Trot
Thursday, November 27th, 2025
Alpine Bank Boulder Thanksgiving Day 5K
NCMC Turkey Trot
Fitness Avenue Turkey Trot 5K
Johnstown, CO
Fort Collins Thanksgiving Day Run
AdventHealth Avista Louisville Turkey Trot
Louisville, CO
Pelican Lakes Turkey Trot
Windsor, CO
Huffin' for Stuffin' 2-Mile Fun Run
Broomfield Turkey Day 5K/10K
Broomfield, CO
The Pilgrimage Run 2025
Sweaty Sweater 5k
Saturday, December 6th, 2025
All-Out Fa La La
Westminster, CO
Onesie Dash
Red Feather Lakes, CO
Toy Drop
Chase the Glow
Estes Park, CO
Friday, December 12th, 2025
WinterFest 5k & Fun Run
Thornton, CO
Saturday, December 13th, 2025
Santa Catch 5k & 10k
Superior Stocking Run
Superior, CO
Candy Cane Course - Denver
Saturday, December 27th, 2025
Resolution Run 5K
Wednesday, December 31st, 2025
TEST RACE
Arctic Prairie Dog 10k & 5k
Sunday, January 18th, 2026
Erin Go Bragh 7.77k
Saturday, March 14th, 2026
Sharin' O' The Green 5k
Lucky Brew Race 5K, 10K, and 15K
Saturday, March 21st, 2026
Run the Ranch
Friday, April 10th, 2026
All-Out Beat the Heat
Saturday, April 18th, 2026
Great Western Trail Race
Severance, CO
Horsetooth Half Marathon - Presented by Fort Co...
Sunday, April 19th, 2026
Runs With Scissors Races
Brighton, CO
Saturday, April 25th, 2026
Friends of the National Center Science Stride 5K
Friday, May 1st, 2026
The Colorado Marathon
Sunday, May 3rd, 2026
Longmont Half & 5k (LM Half)
Colorado Women's Classic - Westminster
Sunday, May 10th, 2026
Dog Jog
Saturday, May 16th, 2026
Weld Your Mettle Running Festival
Eaton, CO
Saturday, May 30th, 2026
J-Town Jog 5K and Youth Mile
Saturday, June 6th, 2026
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