GPS Watches: Why and How Marathoners Must Calibrate Them for Happiness
GPS watches are great. But, have you ever gotten a marathon chip-time slower than what one predicted? I can tell you why and what to do about it.
GPS watches are great. But, have you ever gotten a marathon chip-time slower than what one predicted? I can tell you why and what to do about it.
Congratulations to SpryFeet.com Readers Club member Ed Campos for winning the birthday-month drawing for July, 2017 — Weight Loss in 10,000 Steps a Day!