Every athlete is likely to suffer from "junk miles" training as some point in his/her athletic developmental journey. The term "junk miles" can have many definitions. Athletes and coaches often think of the word as something that describes adding extra miles to a workout (or weekly training) solely to reach a mileage target. For example, a workout may read "Ride 100 miles" or "Run 20 miles" or "Swim 4200 yards" - an arbitrary number that should be reached no matter how the athlete accomplishes the distance. Many athletes see every type of workout as beneficial, even the "just complete the miles" workouts as they build confidence. Instead, a better way to describe "junk miles" is an excessive amount of miles that are completed in excess of what is needed to optimize fitness for race day . With this definition, every workout, even the intense, recovery, tempo, steady and long workouts, can fit into the definition ...
3x Author, Board Certified Sports Dietitian, Master of Science in Exercise Physiology, 20 x Ironman finisher, 3x XTRI finisher, 6xIM World Championship finisher, Triathlon Coach, 32-year Vegetarian. Trimarnicoach.com