323. Stop Scrambling for Marathon PRs: The Science of High-Volume, Slow Running
About this episode
Josh Sambrook discusses the benefits of high-volume, slow running for marathon training and challenges traditional coaching methods.
Are you stuck in a cycle of running injuries, overtraining, and rigid marathon training plans that leave zero room for real life? It's time to change the way you chase your next running PR . This week, we sit down with sports scientist and 2:28 marathoner Josh Sambrook, creator of the adaptive running app Kaizen. Josh drops a major truth bomb on standard running coaching dogma, explaining why traditional 16-week schedules fail amateur athletes and how shifting to a dynamic training load model eliminates the guilt of missed miles. We deep dive into the exact marathon racing math that allows his algorithm to predict finish times with a staggering 93% accuracy. Plus, he shares a controversial, data-backed hot take on why busy runners should stop wasting precious time on gym work and strides, and focus purely on aerobic base building through high-volume slow running to unlock their absolute fastest potential. If you want to master marathon pacing , prevent running injuries , and execute a flawless marathon strategy on race day, this episode is your blueprint. Find Josh & Kaizen: Download Kaizen on iOS or Android Connect with Us: Our website: https://www.marathonjournal.com…
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