Health How Imperfect Training Led Me to a Sub-4 London Marathon (And a New Mindset on Resilience) by Dr Natalie Singh - Health Editor May 11, 2026 by Dr Natalie Singh - Health Editor May 11, 2026 In the world of endurance sports, there is a prevailing myth that peak performance is the direct result of perfect preparation. Athletes often obsess over every mile, every calorie, and … 0 FacebookTwitterPinterestEmail