I Kept Losing Toenails. Here’s What I Learned About Shoe Sizing for Ultras.
If you’ve run long enough, you already know this: your feet at mile 5 are not the same feet at mile 45.
After a series of races that absolutely trashed my feet, I decided to dig into what's actually happening during long efforts. How do blisters really form? Why does a shoe that feels fine in training fall apart on race day? What actually matters when picking the right fit?
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