Many runners would likely choose an outdoor run over one done on the treadmill ... This workout was created by Lisa Rainsberger, founder of Training Goals. It’s a classic “3-2-1” speed ...

A treadmill is a fairly one-dimensional piece of fitness equipment, right? Hop on, set a steady pace and pound out the miles for hours ... running up a hill. 0-3 minutes: warm up with a fast ...