Events Resolution Run 5K Fort Collins, CO Run the Ranch Training Runs Loveland, CO Sweaty Sweater 5k & Kids 1 Mile Fort Collins, CO Event Series Ironman Triathlon Rock 'n' Roll Marathon Spartan Race Hot Chocolate Run Ragnar Relay
Resolution Run 5K Fort Collins, CO Run the Ranch Training Runs Loveland, CO Sweaty Sweater 5k & Kids 1 Mile Fort Collins, CO
December 2025 Sweaty Sweater 5k & Kids 1 Mile Fort Collins, CO Sat - Dec 06, 2025 @ 9:00 AM Running > 1 mile, 5k, Fun Run, Virtual VIEW DISCOUNT Spring Park T&H 6K Fort Collins, CO Sun - Dec 07, 2025 Running Boulder Long runs and Lattes Boulder, CO Dec 7, 2025 - Jan 11, 2026 Running > 5 mile Santa Catch 5k and 10k - Running Race - Windsor, CO (December 13, 2025) Windsor, CO Sat - Dec 13, 2025 @ 8:00 AM Running > 10k, 5k Run the Ranch Training Runs Loveland, CO Dec 14, 2025 - Mar 22, 2026 Running Resolution Run 5K Fort Collins, CO Wed - Dec 31, 2025 @ 6:00 PM Running > 5k 2025 Gift Cards Windsor, CO Wed - Dec 31, 2025 Running TEST RACE Boulder, CO Wed - Dec 31, 2025 Running > 5 mile January 2026 RunningU/Horsetooth Half Marathon Training Fort Collins, CO Jan 4, 2026 - Apr 19, 2026 Running Colorado Cold Rush Louisville, CO Sun - Jan 18, 2026 Running > 10k, 5k February 2026 Westy Winter Waggle 5&10k Westminster, CO Sat - Feb 07, 2026 Running > 5k March 2026 Cryogenic Cannibal Chase Estes Park, CO Sat - Mar 28, 2026 Running > 8k May 2026 Colorado Women's Classic Westminster, CO May 10, 2026 - Oct 26, 0005 (8:00 AM) Running > 10k, 10 Mile, 5k June 2026 The Hundo Pinecliffe, CO Sat - Jun 13, 2026 Cycling July 2026 Let Freedom Run 5k - LONGMONT Longmont, CO Sat - Jul 04, 2026 Running > 5k September 2026 Golden Harvest Half Marathon & 5k/10k - Denver Denver, CO Sat - Sep 05, 2026 Running > Half Marathon Add your event to the calendar Trending Events Resolution Run 5K Run the Ranch Training Runs Sweaty Sweater 5k & Kids 1 Mile
Sweaty Sweater 5k & Kids 1 Mile Fort Collins, CO Sat - Dec 06, 2025 @ 9:00 AM Running > 1 mile, 5k, Fun Run, Virtual VIEW DISCOUNT
Santa Catch 5k and 10k - Running Race - Windsor, CO (December 13, 2025) Windsor, CO Sat - Dec 13, 2025 @ 8:00 AM Running > 10k, 5k
Colorado Women's Classic Westminster, CO May 10, 2026 - Oct 26, 0005 (8:00 AM) Running > 10k, 10 Mile, 5k