Ultratrails, deep dives, outer space: How extraordinary personalities adapt to extreme conditions

‘Kilian Jornet won the 2022 Ultra-Trail du Mont Blanc (distance 170 kilometers, elevation gain 10,000 meters) in 19 hours, 49 minutes, and 30 seconds. Stéphanie Gicquel skied 2,045 kilometers in 74 days, crossing Antarctica to reach the South Pole in temperatures as low as -50°. Thomas Pesquet completed a spacewalk lasting 6 hours and 54 minutes, 400 kilometers above the Earth.