Yep, that's me and my racing buddy, Pardner, coming down Mosquito Pass, Leadville, Colorado. (above).
Below is a video of my wife, Amy Mastin, and Jamie Donaldson having "one of those days" with their burros during the Leadville Burro race in 2009. (That's Amy with the hat and white shirt.)
Western Pack Burro Association
2011 Racing Schedule
May 28; Railroad & Mining Days Georgetown, Colorado Georgetown to Empire and Back 8 miles
July 24; Idaho Springs 5 miles
July 31; Burro Days Fairplay, Colorado To 13,186 ft summit of Mosquito Pass and back 29 miles
August 7; Boom Days Leadville, Colorado To 13,186 ft summit of Mosquito Pass and back 22 miles
August 14; Gold Rush Days Buena Vista, Colorado Whipple Trail and Midland Railroad grade 12 miles