Kirsten Ferguson taught me "runner’s math," surviving side cramps and running form hacks. Plus, she shares a 20-minute speed ...

However, you can only run the same route with the same pair of sneakers for so long. We talked to the experts to give you the ...

ONCE YOU’VE JOGGED your way to the finish at a Turkey Trot or cruised through a charity race, you might wonder just how fast ...

Once you have a solid aerobic base—the foundational fitness you need to sustain your training—you could shift to more of a speed focus. Not all running has the same effects on your body.