On especially long hiking descents, I admit I’ve fantasized about a faster way to the bottom. Elevator? Parachute? Antigravity shoes? For a fringe group of athletes, that faster way is in-line skating ...

Off-road inline skating has always lived on the fringes, somewhere between endurance sport, backcountry curiosity, and pure childhood joy. But for Björn Hunger, a skater who’s spent more than a decade ...