A Pack burro is attended to in Cerrillos, N.M., on Saturday, May 3, 2025. (AP Photo/Morgan Lee) Pack burros are placed outside their trailers in Cerrillos, N.M., on Saturday, May 3, 2025.

Driving the news: Burro racing — Colorado's official summer heritage sport — is back this year with two " Run Your Ass Off " ...

Burro Racing Wins Over Runners in Backcountry Ode to Mining History CERRILLOS, N.M. (AP) — Backcountry runners are embracing the physical and emotional challenge of racing with pack burros that ...