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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.
Hello June has felt like a month where everything we talk about came to life. Iris Nafshi, a researcher who studied moms training for Ironman while raising kids and finishing a PhD. A virtual 5K that pulled in athletes from all corners of the globe on the same weekend. A blog MJ wrote a couple years ago about why "balance" is a myth, and why MJ still stands by every word. Three different things. Same idea underneath: big goals are possible in a full life. They just require a different kind of...
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...