They might seem arbitrary, but benchmarks help define the sport
With ripstop fabric, drain holes, and a water-resistant phone pouch, this endurance-racing vest is ready to get messy
Advice from one very fun runner on how to make every run a good time
The Spanish ultra-athlete has spent the past decade crushing a generation of elite rivals and redefining the limits of human endurance. But when he notched back-to-back speed ascents of Everest in 2017, critics pounced on the claims.
Elite runners often compete in shoe prototypes. Should the practice be banned?
Five testers brought 20 pairs of underwear around the world. Here are their favorites.
Twenty-three pairs of tights, three months of testing, six obvious winners
Meltzer's secret to success? An unorthodox diet.
Ultrarunner Harvey Lewis is vying to clutch the fastest known time for a supported run on the 2,190-mile thru-hike—and so far he's on pace
Don't fall in the trap of more is better
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