Photo by Forrest Czarnecki
A burro leads the way over a downed tree, just one of many obstacles along the course.
Burro races bring rugged runners, sure-footed companions to Mining Days

At first glance, it didn’t appear Jack the burro would be very speedy.
Looking a little gaunt in the chest, and with his unkempt, shaggy facial hair, Jack looked perfectly comfortable trimming the lush grass at Courtney-Riley-Cooper Park in Idaho Springs during Sunday’s burro races at Tommy Knockers Mining Days.