The Endurance Lab

Run Your Fastest Marathon After 45, Even If You Started Late | Matt Fitzgerald

May 15, 2026·1h 11m
Episode Description from the Publisher

In this episode Matt breaks down exactly why recreational runners become their own ceiling, what he learned training alongside professional runners half his age in Flagstaff, why the 80/20 rule does not need to change as you get older, the carbohydrate debate that is dividing the endurance world right now, and the psychological edge that separates athletes who reach their potential from those who never do.If you want to run your fastest marathon after 40 this is the conversation you need to hear.Matt Fitzgerald's books - https://mattfitzgerald.org/books/Dream Run Camp - https://dreamrun.com/Matt Fitzgerald Coaching - https://mattfitzgerald.org/coaching/0:00 Fastest marathon after 403:31 Time as a limiter6:06 Training with elites9:00 More moderate intensity 10:51 The carb debate18:05 Carbs per hour21:15 Carb periodization28:36 80/20 for masters runners32:52 Low volume and 80/2035:46 Hyperpolarized training39:07 Psychology of endurance47:46 Toughness vs smart racing50:23 Mental lessons from elites53:47 Dream Run Camp1:01:47 What runners take home1:04:26 What Matt is figuring out

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