The XPT participants arrive at Laird Hamilton and Gabby Reece's Malibu compound to undergo an experience unlike any other. XPT's revolutionary pool training, a heat and ice session, and a slackline competition put each newcomer under pressure.

As storm clouds roll in, the XPT participants take to the water to standup paddle with Laird Hamilton and a crew of the greatest watermen on earth. Then, Laird's friend, actor John C. McGinley, reinforces discipline in a hard-hitting underwater session.

At Laird Hamilton and Gabby Reece's compound, actor John McGinley continues to push participant Justin to his limits during a pool session. The XPT participants then switch gears to experience a locomotion and gym workout.

XPT's thrilling final day begins with Gabby Reece's High-X workout in Malibu. Following that, the participants endure Laird Hamilton's toughest set of challenges in the pool and a performance breathing session that brings on out-of-body experiences.

XPT's final series of tests is the hardest to date as the participants seek to conquer Laird Hamilton's legendary beach workout. They must use teamwork to haul a massive boulder up and down a Malibu beach.

Top segments from the performance-training reality series.