Event details subject to change. Please confirm all information via event website.
Expo Park XC Runs
Expo Park 10955 E Exposition Ave, Aurora, CO, United StatesOld-school cross-country style courses with creek crossings and bale jumps. Youth races 1k - 4k. All-ages 5k. Individuals and teams.
PPRR Fall Series II
North Monument Valley Park 1794 Culebra Ave., Colorado Springs, CO, United StatesThe Fall Series consists of four trail races in four different city/county parks. The trails range from well-maintained to rocky with tree roots. Each event is a unique challenge at […]
Avery Fall 5K
Avery Brewing Company 4910 Nautilus Ct N, Boulder, CO, United StatesJoin us for The Avery Fall 5k @ Avery Brewing on October 19, 2025, for a 5k-ish, fun run event that starts and ends at this awesome taproom in Boulder. […]
IACP Denver Police 5K
Civic Center Park 101 14th Avenue, Denver, CO, United StatesThe 5K Fun Run, hosted in partnership with Lexipol and Axon, will take place in the heart of downtown Denver’s Civic Center Park. This signature event invites public safety professionals, […]
IACP 5K Fun Run
City Park - Denver 1700 N York St, Denver, CO, United StatesLace up and join us for the IACP 5K Fun Run at the 2025 International Association of Chiefs of Police Conference in Denver! This lighthearted, non-competitive run is your chance […]
Crimson Classic 5K
University of Denver - Carnegie Green Lawn 2150 East Evans Ave, Denver, CO, United StatesThe University of Denver's Annual Crimson Classic 5K Run/1.5 Mile Walk will take place on Carnegie Green Lawn. Music, stretching, and snacks will start at 2:15pm. The focus of the […]
Canyonlands Ultra
Behind the Rocks Trailhead Moab, UT, United StatesCanyonlands 100K, 50 Mile, 50K, Marathon, Half Marathon, and 15K Canyonlands Ultra starts and finishes at the Behind the Rocks Trail, along the border of the Behind the Rocks Wilderness Study […]
Bridge Runner Ultra
Centennial Park - Cañon City Cañon City, CO, United StatesThis single loop 50k starts in the historic mining town of Canon City, Colorado. Runners' journeys will begin along the beautiful Arkansas River and travel through the historic granite blasted […]
Beware the Bear Trail Races
Bear Creek Lake Park 15600 W Morrison Rd, Lakewood, CO, United StatesRun the original Bear Creek Lake Park trail race - the Beware the Bear Trail Races - on October 17th. This trail race consists of a 14.2K or a 5K. Or do them both with the double! There is also a kids 1K.
Race to Cure Sarcoma 5K
Berkeley Lake Park 4601 W 46th Ave, Denver, CO, United StatesThe Race to Cure Sarcoma (RTCS) is the premier run/walk series in the United States, focused on raising awareness, providing education, and research funds for sarcoma. Each year, the Sarcoma Foundation of […]
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