The Best Anti-Chafe Balm for Ultramarathons
Most anti-chafe products were designed for marathons. They fail at mile 40. This is the honest breakdown — what works...
Field notes, protocols, and dispatches from the underground. Built for athletes who run long, ride hard, and refuse to stop because of friction.
100 mileFRXN // Smooth AF // 1.4 Worthy. Callie Lance, the Chief LaDiga 100, and the friction that actually matters. Subject: Dr. Callie Lance // Race: Chief LaDiga 100 // Status: ...

Most anti-chafe products were designed for marathons. They fail at mile 40. This is the honest breakdown — what works...

Chafing is one of the most common — and most preventable — issues endurance athletes face. Here's the no-BS breakdown...
The six-page field document for applying Friction Prescription right, plus 20% off your first order — auto-applied at checkout.
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