A podcast and Substack at the intersection of endurance sport, human performance, longevity, healthspan, science, technology and capital allocation. Long-form conversations with the people operating at the edge of all of them.
Born in Kona. Developed in Zermatt. New episodes every couple of weeks, about 60 minutes per episode. High-signal, evidence-led, practical lessons from world champions and their coaches.
Chrissie Wellington OBE · 4× IRONMAN World Champion
Cherie Gruenfeld · 14× IRONMAN World Championship age-group titles · 2025 IRONMAN Hall of Fame
Craig “Crowie” Alexander · 3× IRONMAN World Champion · 2× IRONMAN 70.3 World Champion
Daniela Ryf · 5× IRONMAN World Champion · 5× IRONMAN 70.3 World Champion
Natalie Coles & Will Harbourne · Longevity · Supercentenarian researcher and Founder & GP, LongGame Ventures
Mirinda Carfrae · 3× IRONMAN World Champion
Mario Mola · 3× World Triathlon Series Champion
Mark Allen · 6× IRONMAN World Champion