Combining Zone 2 running, goal pace running and sprinting in your weekly training plan can be ideal for developing aerobic endurance, pacing skills and explosive speed.

Plus, the 80/20 rule for optimal results ...

For years, the gold standard for gauging workout intensity was often a simple "how you feel" metric. And while perceived exertion is still used by many exercisers and athletes today, it’s a bit like ...

We all need a "Zone 2" day -- a low-impact, low-intensity workout -- once in a while. This is especially true for those who find it hard to skip workouts and often push themselves to the extreme.

Like many new runners, when I first started running I tried to go as hard as I could on every mile, assuming it would make me faster. It worked — to a point. But any benefits I saw were short lived, ...