Madison Kahn

Drink Your Way Through the Tour de France

For this year’s race, course designer Jean-François Pescheux mapped out one of the more unique routes in tour history, including a trip to the island of Corsica and a night finish...

60 Hours of Hell: The Story of the Barkley Marathons

Inspired by a notorious assassin’s escape from prison, the Barkley Marathons just might be the toughest race on the planet, a 100-mile-long, unsupported slog through the Tennessee backcountry that...

Boston's Fitness Flash Mob

Using Twitter and a lot of hugs, a renegade tribe from Boston attempts to reimagine fitness as a social event

Free Medicine

How research supports the therapeutic benefits of playing outside.

Lather, Rinse, Repeat

We’ve all got that buddy—the one who executes an epic ski or raft mission every year. Reader Keith Pearen is one of those guys. For the past 10 years, the 32-year-old Boulder, Colorado, aerospace...

Shark Week: A Brief History

This month marks 25 years of amazing footage, corny hosts, and fake blood for the Discovery Channel’s most-watched series.

Water Tested

Quadruple amputee Philippe Croizon takes on some of the boldest open-water crossings of all time.

Record Keepers

The latest gadgets collect reams of training data. Here are the metrics that matter.

Pear Square One Running Monitor

A combination foot sensor, hear-rate monitor, and digital coach that offers stats and advice while you run.