Lack of time is often the main reason people don't exercise regularly. But a type of interval workout recently popularized by ...

Speed isn’t just for sprinters. Whether you’re chasing a faster 5k, breaking through on the pitch, or just looking to move with more power, sprinting is one of the most underrated tools in your ...

The American sprint star opens up about his year-long training cycle that includes strength sessions and drills he hates—but ...