How to Be a Pace Machine
By Runner's World
How fast are you running? Ask yourself mid-run without peeking at your GPS. Chances are, you'll get it wrong. Here's how to get it right.
Start your half marathon training with our guide to half marathon races for first-timers, half marathon training schedules, running workouts, and nutrition tips for your half marathon race day from the experts.
Jason Karp is a nationally-recognized running and fitness coach and owner of Run-Fit.