Get It Up, Your Heart Rate, That Is: Sprint Intervals at the Track
Interval training is key for torching calories and increasing your speed. Intervals are tough, but they work your body and prepare you well for the races ahead — it is racing season, after all. Even if you don't like to race, intervals are a great way to add spark to your running routine and help you move past a weight-loss plateau. I wish I could say that I love this workout, but that would Read more








