Throughout the long history of the sport of running, training innovations have come primarily from athletes and coaches, not scientists. With few exceptions, it’s been the folks in the trenches who ...

10-20-30 interval training is an effective way to improve running performance and overall health. A new study demonstrates that this kind of training is just as effective for improving your running ...

Research found that doing 10-20-30 intervals can improve 5K time and VO2 max, even if you don’t go at maximum effort. Experts suggest adding this workout to your schedule one to two times per week.

The world-conquering Catalan is a fan of the exhilarating speed session ...