From swimming pools to fitness racing podiums – Austria's Alexander Rončević is widely recognised as one of the best HYROX athletes in the sport's history and a current double world record holder.

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." SCROLL THROUGH RUNNING TikTok or watch enough YouTube workout videos and you'll start seeing the phrase ...

Ask any coach about the most important speed workout on a half or full marathon training plan and they’ll probably tell you it’s a threshold run. These sessions help you run faster for longer, raising ...

Over the summer, a physiologist named Karlman Wasserman, formerly of UCLA, passed away at the age of 93. The name may not ring a bell, but you can consider your next threshold workout an unofficial ...

We sat down with HYROX master coach Tiago Lousa to break down the real method to race-day speed, the mistakes holding athletes back and the fixes that make you faster without blowing up. Whether ...