I trained like Usain Bolt for 30 days, focusing on sprint techniques, speed drills, and endurance. Follow my journey and see ...

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 ...

SIT may sound laid-back, but it’s anything but. Short for sprint interval training, it’s a form of high-intensity exercise that has nothing to do with taking a breather. Running is the obvious choice ...

HIIT, or high-intensity interval training, is increasingly popular, and it provides plenty of benefits, from torching calories to increasing your VO2 max and overall athletic performance. SIT, or ...

There's a good reason why the military and law enforcement are now testing speed and agility. The ability to run fast without injury requires practice and a steady dose of maintenance work. Whether it ...

A Junior Olympian is turning heads for reaching a remarkable sprint speed while training at a performance gym in Houston, Texas. Eight-year-old Jayce Wilson is captured on video hitting a speed of ...