Arthur Lydiard

Apply these top tips from one of the world's best coaches to make your next big breakthrough as a runner.

Let your body's response to training determine how much you train.

Not all runners are created equal, and neither are their weekly mileage numbers.

Toni Reavis honors the Boston-based coach.

Some would say, "yes".

He had created the race to honor the legendary New Zealand running coach.

Week 15: Looking to try something new and enhance his recovery, T.J. gives CrossFit a try.