Rider Adolf Silva is in critical condition after trying a double backflip off a ledge at a Red Bull event in Utah.
Normally, boulderers climb a couple of feet off the ground, but Red Bull athlete Domen Å kofic completed a V11 on the external body of an airplane.
The new GORUCK Division features runners sporting a 30-pound plate on the oceanfront half-mile course, which is filled with obstacles that competitors will run through twice per heat.