Prepare for the ultimate endurance adventure with Ultra Extremes, the podcast that takes you to Earth's most brutal ultra-marathons where ordinary humans achieve the extraordinary. Join AI host Ollie Bennett as he guides you through frozen Arctic wastelands, scorching Sahara deserts, oxygen-starved mountain peaks, dense jungles, and multi-terrain nightmares that test every limit of human capability. Discover the science behind extreme adaptation, meet legendary athletes who've redefined possible, and learn the mental strategies that separate finishers from failures. From survival gear to psychological warfare against your own mind, Ultra Extremes reveals what happens when humans refuse to accept limitations. Adventure awaits.