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 ...

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.