#40 David Roche - The Rules of High Carb Training, How to Train the Gut, Fatigue Resistance, & Training the Pros

David Roche -- ultra marathoner, elite running coach, and what Rory's calling the godfather of the high carb revolution -- joins the Out and Back for episode 40. He started as a running back at Columbia, spent years coaching before ever being competitive himself, and broke the Leadville 100 course record in 2024 (and again in 2025!) largely by stress-testing the same principles he'd been building with his athletes. The conversation covers a lot of ground: how he thinks about carb intake across different race distances, why he separates hydration from fueling, the case for uphill treadmill threshold work, what unites his coaching across trail, road, and ultra, and why he keeps looking to cycling for answers the running world is slow to ask.

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