A tempo run, that faster-paced workout also known as ... by-products of metabolism--are released into the muscles, says 2:46 marathoner Carwyn Sharp, Ph.D., an exercise scientist who works with ...

When you first get into running, your routine probably looks something like this: Lace up the best running shoes you own, hit a quick warmup, and then hit the road for a set time, distance, or route.

One common training technique used by hobbyists and world-class runners alike is the tempo run, a protocol where you run at a near-maximal intensity. Using these workouts you’ll increase ...