18-Week Walk a Marathon Training Log Use this as your guide and training log. Columns marked EASY 1 and 2 are to check off when you do your two easy 45-minute walks; The TUES. and THURS.

Studying the Intensity Log can lead to interesting insights like this from Tempo’s developer, Rahul Matta, who explains: I discovered why I might have crashed so badly during my last marathon. There ...