Imagine a workout that burns fat and potently boosts your speed and agility. Sprint interval training (SIT) is a workout method that combines the benefits of high-intensity cardio with the ...

They just set out on unplanned jogs around the block, throw in some sprints, and call it a day ... mainstays every runner should have in his workout regimen. Each workout is designed to train ...

Even as sprinting has gained popularity on social media, with terrifying videos of blurred legs jumping on and off high speed treadmills, it feels like it’s something that’s only for the ...