Hang glider Jon Durand and rock climber Sasha DiGiulian may not share much in common on the surface, but under the guise of their respective sports, they share a common competitor: themselves. Find out what lengths two of the world's most ...See moreHang glider Jon Durand and rock climber Sasha DiGiulian may not share much in common on the surface, but under the guise of their respective sports, they share a common competitor: themselves. Find out what lengths two of the world's most daring athletes go to in the quest for reaching their personal best.
See less