Backcountry runners are embracing the physical and emotional challenge of racing with pack burros that don't always move at their pace.
Burro races honor Old West history and hinge on a delicate partnership between runner and beast of burden. Burros, a Spanish-derived word for donkeys and their wild cousins, must carry a saddle, pick, pan and shovel in homage to a bygone era and the mythical sprint by miners to a land claims office with their pack animal.
