THE RUNNING EFFECT PODCAST
From the Soft-Surface Myth to the Sub-2 Marathon: Nike Coach Alex Osberg on Training Science, Injury Comebacks, and The Secrets Of Elite Fueling From A Sub-2 Marathon
1h 0m
-The Run Down By The Running Effect (our new newsletter!): https://tinyurl.com/mr36s9rs
The myths runners live by are surprisingly hard to kill. Alex Ostberg is back with Dominic to dismantle four more of them.
First up: the soft surface myth. Alex explains how the brain anticipates soft terrain and stiffens the legs before foot strike, largely canceling out whatever cushioning the ground provides.
The real injury variable isn't surface, it's pace. Slowing from a 7:40 to a 10:44 mile can cut tibial stress injury risk by over 50%. Variability across surfaces beats avoidance of any one of them.
From there, the conversation moves into the "8 Questions" edition and a broader critique of optimization culture. Only about 10 to 15 percent of runners, Alex argues, should even be thinking about supplements, sleep protocols, or anabolic windows. The rest need to nail the basics first.
The injury comeback piece brings the most personal material. Alex draws on his own two-year loop of reinjury at Stanford and UNC to argue that healing and readiness are not the same thing. Pain-free is a starting point, not a finish line.
Two rules stand above the rest: invest fully in the protection phase, and pass a stimulus twice before progressing it.
The episode closes on London 2026 and the fueling science behind the first sub-two. Sawe averaged 115 grams of carbohydrate per hour—a number that would have been considered reckless a decade ago. Alex breaks down the carbolution (dual-source transport, hydrogel delivery, gut training) and asks the question the finish line footage raised: have we eliminated the bonk?
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