Program · Running
Boston Marathon Starter Guide (90-Day Base Build).
A 12-week starter program for beginners or returning runners building the aerobic base, durability, and habits needed to eventually pursue a Boston Marathon qualifying cycle. Focuses on consistency, injury prevention, easy conversational running, gradual mileage progression, and introductory hills/strides (no aggressive speedwork).
12
Weeks
6×
Per week
beginner
Why this works
Twelve weeks that build the running habit and aerobic base first: mostly easy running, a strength day for durability, and a long run that grows slowly.
Week 1 focus
Week 1
Week 1 of 12 · weeks unlock as you log
Week 1 · 7 sessions