Using the Gazelle Training Schedule:
Click on each workout for full details.
Half/Full marathon workouts sometimes vary from regular Gazelles workouts and are posted on M/W schedule days. Gazelles that train on T/TH, make sure to check M/W for race-specific workouts. Boston training is posted on T/Th.
If your Saturday long run is more than 18 miles or 3 hours, do a recovery run instead of the Gazelles workout for M/T.