WATCH: Ultrarunner Jeanelle Hazlett’s double Everesting challenge

A new mini-documentary follows Hazlett’s attempt to cover twice the elevation of Mount Everest in one week

Bannister: Everest on the Track is a must-watch for runners

The documentary follows all of the major players who were involved in Roger Bannister’s sub-four-minute mile

Kilian Jornet to return to Mount Everest this fall

Some say that Jornet’s planned return to Everest is proof that he was not successful, as he claimed in 2017