One of the great misnomers of our sport is the term "negative split," which means running the second half of a race or training run faster than the first half. But running a negative split is hardly a ...

Negative split. What does it mean? What is its significance? A negative split in swimming means the second half of the race is faster than the first half. It is a pacing strategy built around ...

Runner’s World coach, Jess Movold, chose intervals for this 30-minute treadmill progression run, giving you short recovery breaks between work periods—and requiring you to hit a quicker pace with each ...