"They teach us so much," said pack burro race director Brad Wann. For example, the winner of the annual pack burro championship is the first to get his or her ass over the finish line. Photos: Pack Burro World Championship At the annual World Championship Pack Burro Race in Colorado, it's not just about running an ultramarathon, it's about getting your ass across the finish line, too. Hide Caption 3 of 11 Photos: Pack Burro World Championship Joe Polonsky with his burro, Jake. Hide Caption 5 of 11 Photos: Pack Burro World Championship Running with a donkey is a bit of give and take, literally.

Source: CNN September 15, 2018 13:41 UTC