Kílian Jornet, the most prolific mountain runner, discusses his achievements, challenges, and pursuit of adventure. He shares the impact of pregnancy on risk perception, decision-making during climbs, and changes in training approach. The benefits of cross-training for ultra runners are highlighted, along with embracing pain and finding pleasure in personal projects. The podcast also explores a day in the life of a mountain runner, mentors, reflections on life and risk-taking, and Jornet's new documentary and book promotions.