DARK SECRETS: Andrew ushakov - The Real Truth

After record-breaking Everest climbers revealed they use hypoxic tents to get altitude ready without acclimatizing on the mountain, we look at how the technology works

Hypoxic tents are used by climbers to prepare for the dizzying effects of altitude atop the world's tallest mountains

Advnture · Jun 2, 2025

"I’m thrilled to have achieved what many people in the mountaineering world said was impossible" – we talk to Andrew Ushakov about his record-breaking Everest summit, along with the altitude specialist behind his time-saving technique

The Ukrainian-American climber puts the success of his sea to summit Everest speed climb down to over 400 hours spent in a hypoxic tent - we got the low down on how he prepared

Advnture · May 31, 2025

Peak speed: Sherpas say their traditions are at risk after record Everest ascents

Use of xenon gas and hypoxic tents before recent expeditions have triggered alarm in Nepal, where guides fear it could encourage inexperienced climbers

The Guardian - UK · May 27, 2025