Patrick Dempsey · September 17, 2026 · 5 min read
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This issue ships with Video 1, The Hidden Deficit — Why Hard Training Makes You Less Hungry.
Patrick
This week's video makes the case that under-fueling is close to invisible while it's happening. The obvious follow-up question is the one I get most: fine — how much, then?
I spent a while trying to give you a clean number. What I found instead changed how I ride, and I think it will change how you read every fueling article you come across after this one.
Below: why the threshold everyone quotes doesn't exist, the per-hour numbers that do, who paid for them, and the one change to make on your next long ride.