Plot: It’s happening! The Marathon des Sables is almost here! If you're reading this, there's a good chance Rob and Arno are out there running and sweating like pigs right now. So send prayers their way!
In the third episode, they did crucial testing to calculate dehydration levels in desert-like conditions

Marathon Des Sables - Season 1 - Training for The Toughest Challenge of My Life: Marathon Des Sables (Episode 3)
Episode Aired On:
Wednesday, April 2 2025
Released within the last year
Wednesday, April 2 2025
Released within the last year
Go to
Episode 2