This plan is made for someone who wants to break 4 hours in the marathon. It includes 4 days (T, Th, Sa, Su) of running and two days of leg-focused strength per week. It starts with 16 miles a week, including a 6-mile long run. It peaks at 37.5 miles per week, with the longest run being 20 miles. Level Intermediate Target Marathon Time Sub 4 Hours Written by Coach Cory Smith