A British expedition summited Everest in days while supplementing xenon. Is it the secret ingredient mountaineering has been ...

Four climbers went up and down Everest in under a week with the help of xenon gas—a record-breaking ascent that has ignited ...

History is repeating itself in the world of controversial sports records.

But the use of xenon gas, promising to make the mountain even more accessible, has led to heated debate. Once the pinnacle of human endurance, Everest is already increasingly crowded and commercial.

This will be the first time the gas will be used on clients. Before beginning the climb, each mountaineer will be given a xenon blend formula created by German doctor, Michael Fries.

A renowned mountain guide revealed on Monday said that using xenon gas treatment and cutting-edge technology is not only expediting Mount Everest climbs but also minimizing environmental impact by ...

The full-race pacing that Kipyegon will likely use in Breaking4 remains verboten; the slightly different pacing that leads runners almost all the way through the race but forces them to run the last ...

Their objection isn’t to xenon itself but to the idea of making Everest easier. That’s the same problem many runners have with Kipyegon’s sub-four-minute-mile attempt.

A mountaineering group climbed Mt. Everest door-to-door from Great Britain in just a week with the use of Xenon gas. Tenzing Norgay’s son Norbu weighs in.