The thin air at high altitudes has long been recognized as a training superpower for athletes. If you live and train at altitude, you’ll likely wipe the floor with your lowland competitors. That’s why ...

Keenan Lewis isn't willing to be the player in 2015 who gets beat during an opponent's two-minute drill. According to Joel A. Erickson of The New Orleans Advocate, Lewis has taken to wearing a ...

The performance-enhancing altitude mask that Olympic hopeful Sivert Guttorm Bakken was wearing when he was found dead this week “is not part of the Norwegian Biathlon Association’s organized training ...

The performance-enhancing altitude mask that Olympic hopeful Sivert Guttorm Bakken was wearing when he was found dead this week “is not part of the Norwegian Biathlon Association’s organized training ...

On December 23, 2025, Sivert Guttorm Bakken, a 27-year-old Norwegian biathlete and European champion, was found dead in his hotel room at Passo di Lavazè in northern Italy, 1808 m above the sea level.

Chet Fortune works out using an altitude training mask at to increase his lung capacity. Fortune is a co-owner of Warrior Fitness Center in La Vista. Video: Weird mask, great workout In April, a few ...