RUN WITH POWER is the groundbreaking guide you need to tap the true potential of your running power meter. From 5K to ultramarathon, a power meter can make you fasterbut only if you know how to use it. Just viewing your numbers is not enough; you can only become a faster, stronger, more efficient runner when you know what your key numbers mean for your workouts, races, and your season-long training. In Run with Power, TrainingBible coach Jim Vance offers the comprehensive guide you need to find the speed you want.

Jim Vance is an elite coach for Joe Friel's TrainingBible Coaching and a professional triathlete. He is a USA Triathlon certified coach and head coach of Formula Endurance, the high-performance team collaboration between USA Swimming and USA Triathlon. Before becoming a professional triathlete, Vance was a K-12 Physical and Health Education teacher. He won XTERRA and ITU world championship titles as an amateur triathlete. Vance co-edited the book Triathlon Science and writes regularly for magazines including Competitor and Triathlete.