High intensity interval training can improve everyone's cycling fitness—regardless of ability level. I used to run group fitness classes built around the high intensity interval training structure and ...

Every runner knows that hard workouts ultimately lead to fitness gains. But far fewer understand when those improvements happen, or what that process really looks like in the days between. So what ...

In my 39th year, after a steady stream of successful races, it was time to level up my training. Fresh off the hardest ...