Billy Brown is a freelance writer based in Northern California. The former NASM-certified personal trainer covers fitness, outdoor recreation and adventure travel for Outside Magazine, Men’s Health, Men’s Journal, Wired Magazine, Esquire Magazine and the Red Bulletin, along with a host of other publications. He also acts as Backpacker Magazine’s footwear editor and is the founder of, a site devoted to outdoor gear, beer and general mischief.

Articles by Billy Brown

Most Important Lifts

How to Find Your One-Rep Max

Knowing your one-rep max isn’t just a benchmark for strength, it’s key for workouts with prescribed reps at a certain percentage of your best. Learn how to find yours.