Galloway Training Programs is for just about anyone who wants to run/walk or walk a 10-miler, a half marathon or a marathon. Jeff includes training schedules for beginners and time goal runners, information on nutrition, issues for the "mature" exerciser, motivation and recovery plus these concepts: Magic Mile, shorter "long"runs between the really long weekend sessions. The run walk run vibrating timer with stopwatch easily sets up your run/walk intervals. The timer can be set for any two different intervals from 2 seconds to 99 minutes & offers alarm by beep, vibrate or both. Has clip. AAA battery not included.