2014 Triathlete Buyer’s Guide: Beginner Run Essentials

Photo: John David Becker

Watch

A heart rate monitor helps newbie runners learn the difference between easy, threshold, tempo and any other effort level used to describe workouts in many training plans. The Timex Personal Trainer Heartrate (page 92 in the Buyer’s Guide) will help you meet those zones without confusing you with extraneous features.