Chilly Cheeks Winter Duathlon and 4M Run
Cherry Creek State Park 4201 S Parker Rd, Aurora, CO, United StatesThe event starts with a 2.5M run with a 10M bike ride on paved roads and followed by another 2.5M run. The run covers a mix of road, paved bike […]
Highlands Ranch 5K/10K
Highland Heritage Park 9651 S Quebec St, Highlands Ranch, CO, United StatesWinter never disappoints us when racing in February in Highlands Ranch! You won't feel chilly after a course so hilly! After conquering the 5k or 10k distance, warm up with […]
Time to Paddy Race
Bear Creek Lake Park 15600 W Morrison Rd, Lakewood, CO, United StatesJoin us for the annual Time to Paddy 5k/10k and Lucky 13.1 Half Marathon! A St. Patrick-themed run that is perfect for the whole family. The fun includes great swag […]
Spring Runoff 10M, 10K, 5K
Dutch Clark Stadium 1000 W. Abriendo Ave, Pueblo, CO, United StatesThe American Driving Academy and the Southern Colorado Runners welcome you to the 48th Annual Spring Runoff Sunday, March 2nd, 2025. Join us for the 48th edition of Pueblo’s oldest […]
Run Through Time Marathon
Salida Scout Hut 210 East Sackett Avenue, Salida, CO, United StatesThe Annual Run Through Time Marathon, Half Marathon, and 2 Mile Run will take place on Saturday, March 11, in Salida, CO. These beautiful, challenging courses are run on dirt/jeep […]
Winter’s End Snowshoe Races
Granby Ranch 1000 Village Rd, Granby, CO, United StatesThe Winter’s End Snowshoe Races is an exciting winter running adventure that takes place at the beautiful Granby Ranch Resort in Granby, CO. The races are open to runners of […]
Runnin’ of the Green Lucky 7K
Washington Park - Denver 701 S Franklin St, Denver, CO, United StatesWe invite you to join us at Washington Park for the 36th annual Runnin' of the Green! Get your green on and come celebrate the 36th edition of this fun […]
Canyonlands Half Marathon
Scenic HWY 128 along Colorado River 36 S 100 E, Moab, UT, United StatesThe first Canyonlands Half Marathon was run on May 1, 1976 had just 22 finishers, including a dog. Today, thousands of runners come together in March to enjoy the scenic […]
Lucky Brew Race
Kyger Open Space 7301 County Rd 1, Windsor, CO, United StatesStart your St. Patrick's celebration with either a 5k, 10k or 15k on the Kyger and Poudre River Trail. All participants will receive chip timing, free finish line video footage […]
Sharin O’ The Green 5K
Odell Brewing CO. 800 East Lincoln Ave, Fort Collins, CO, United StatesThis 5k has the luck of the Irish! Bring the kids and the pup for a fun event filled with craft beer, miles of smiles, and memories to last a lifetime at Odell Brewing Company in Fort Collins on March 11, 2023.
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.