Feb 25 All Day Chilly Cheeks Duathlon Series Hobie Park 4800 S. Dayton St., Greenwood Village Event Details Get Directions
Feb 25 All Day Audi Power of Four Ski Mountaineering Aspen Snowmass Aspen-Snowmass Event Details Get Directions
Apr 15 All Day Boulder Rez Half Marathon Boulder Reservoir 5275 Reservoir Road, Boulder Event Details Get Directions
Apr 22 All Day Barkin’ Dog Duathlon Cherry Creek State Park 4201 South Parker Road, Aurora Event Details Get Directions
May 21 All Day NOCO Half Marathon & 10K Boyd Lake State Park (Loveland) 3720 N County Road 11-C, Loveland Event Details Get Directions
May 21 All Day Ordinary Mortals Triathlon Pueblo 2200 Bonforte Blvd, Pueblo Event Details Get Directions