Intermediate Marathon
18 weeks
Overview
- Author: John Ferry
- Length: 18 Weeks
- Run Options: 3, 4, or 5 Run Options
- Longest Workout: 20 miles
- Workouts Included: Easy, Hill, Interval, Progression, Tempo, and Long
18
Weeks
3, 4, 5, 6
Days/Week Options
Program Structure
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