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Smarter training starts here. Athletica’s newsletters deliver science-backed insights, expert tips, and AI-powered training updates for endurance athletes of all levels. Catch up on past editions and subscribe to stay ahead in your training journey.
Dear Reader, I remember learning about energy systems in school. Professor Paul Gastin's diagram was the gold standard: a clean picture of how much each system contributed depending on effort duration. You've probably seen similar. ATP-PCr, Glycolysis/lactic, Aerobic; each with its lane, each with its moment. Gastin (2001)'s classic energy system interaction model for maximal exercise. Then I watched a film that added the piece Gastin hadn't for me. That these systems are never one or the...
Hello Reader, Sebastian Sawe ran 1:59:30 in London last weekend. Three men finished under the previous world record for the marathon. Coaches and media publicly credited 100–120 g/hr of carbohydrate. The running internet promptly lost its mind. So on the Athlete’s Compass Podcast this week, Paul Warloski and I took the question head-on: should you be eating like Sawe? Short answer: no. But the longer answer is more interesting. And it points somewhere the sports nutrition field hasn’t quite...
Welcome to Inside Athletica April edition. The Workout Wizard is now live for everyone - including inside the mobile app. Smarter swaps, better context, and more flexibility when life doesn’t go to plan. We’re also actively working on upgrading the AI Coach. The feedback you’ve been sending has been incredibly valuable - keep it coming. With summer around the corner, many of you are heading into marathon blocks. This is where consistency, smart adjustments, and staying healthy really start to...