A burro and its human companion race in the 70th Annual Burro Days Pack Burro Race in Fairplay in 2018. Photo: Jason Connolly/AFP via Getty Images
If trail running sounds tough, try it with a 400-pound donkey in tow.
Driving the news: Burro racingβ Colorado's official summer heritage sport β is back this year with two "Run Your Ass Off" events scheduled this weekend.
Georgetown hosts an 8-mile trot through town and up into the hills tomorrow.