Think about how you feel doing your 12-3-30 routine on the treadmill versus during a high-intensity interval (HIIT) class. You probably feel like you could maintain that first one for a pretty solid ...

When you’re crunched for time and need to squeeze in a workout, it’s fair to want to get the most out of your effort. But while there’s been an ongoing debate about the merits of aerobic vs. anaerobic ...

Depending on the context, endurance doesn’t always mean the same thing. Especially between sports, the definition can vary quite a lot. Endurance in swimming can, therefore, be very different from ...

Interval training can be effective in building both aerobic and anaerobic capacity. Interval training is an advanced training technique which helps athletes optimize the effectiveness of their ...

Where and How Swimmers Fit In the Scheme of Endurance Athletes By Vanessa Steigauf, Swimming World College Intern Depending on the context, endurance doesn’t always mean the same thing. Especially ...

Alex Hutchinson is a National Magazine Award-winning journalist and Outside’s Sweat Science columnist, covering the latest research on endurance and outdoor sports. If you haven’t rewatched the epic ...