Event details subject to change. Please confirm all information via event website.
City Park Circuit
City Park - Denver 1700 N York St, Denver, CO, United StatesDenver Athletics brings you the Denver Park Circuit Series- Three races at Denver's iconic city parks with the same format: One Lap As Fast As You Can Go! Spring- The […]
RMRR Spring Marathon Training Series #1
Platte River Trailhead Park Colorado Blvd and E 88th Ave, Thornton, CO, United StatesThese Marathon training races are geared towards people training for spring marathons. They are supported runs with aid stations and are timed and scored. There are both 10 mile and […]
5K Raptor Run
Barr Lake State Park 13401 Piccadilly Road, Brighton, CO, United StatesPlease come run/walk, being your dog too if you want at Barr Lake State Park Have fun! Bring a friend. Sign up on Running Guru or go to Friends of […]
PPRR Nielson Challenge
North Monument Valley Park 1794 Culebra Ave., Colorado Springs, CO, United StatesRace Format The first time you run this event, you'll establish a base time for yourself. This base time is used to generate a handicap time. The handicap time is […]
Mav Day 5K
Foster Field House - CMU 905 Mesa Ave, Grand Junction, CO, United StatesLace up your sneakers and get ready for an epic, one-of-a-kind 5k experience! Join us for our 2nd annual 5k that supports student scholarships. Every penny raised will be donated to […]
Avery Spring 5K
Avery Brewing Company 4910 Nautilus Ct N, Boulder, CO, United StatesJoin us for The Avery Spring 5k @ Avery Brewing on April 6, 2025, for a 5k-ish, fun run event that starts and ends at this awesome taproom in Boulder. […]
RMRR Spring Marathon Training Series #2
Platte River Trailhead Park Colorado Blvd and E 88th Ave, Thornton, CO, United StatesThese Marathon training races are geared towards people training for spring marathons. They are supported runs with aid stations and are timed and scored. There are both 10 mile and […]
Diabetes Link 5K
VAC Plaza at the University of Colorado 1085 18th Street, Boulder, CO, United StatesJoin us for the CU Boulder Diabetes Link Fundraising 5k Race this April 13th to support diabetes research and raise awareness!
Boulder Track Series #1
Niwot High School 8989 Niwot Road, Niwot, CO, United StatesWe are pleased to offer 3 x Spring track meets, for middle distance and distance runners, that will be conducted similarly to the BMC (British Milers Club) meets. All meets […]
Most Eggcellent 5K/10K
McPhelemy Park 112 W Lake St, Buena Vista, CO, United StatesThis is the Most Eggcellent of excellent 5Ks - an 80s themed 5k! Bring out your pastel, your shoulder pads, your blue eyeshadow, and that big hair! We cannot wait […]
Please click here to submit your event for FREE to our online calendar.
We do not allow events without physical locations (IE – virtual runs, runs with locations TBD, etc…).
Please allow 48 hours after submission for an event to appear on the calendar. If you have already listed your event and would like us to update it, please contact us.