This beginner marathon plan includes a full-body strength and conditioning program. It assumes a starting fitness level of easily being able to run 12 miles per week with at least a 6-mile long run. It starts off running three days per week and, by week 6, increases to running four days per week, minus a few easier weeks. It maxes out at 33 miles per week with one 20 milers. Level Beginner Target Marathon Time ~3:50 to ~4:30 Weekly Mileage Progression 12, 14, 15, 17, 14, 21, 21, 25, 25, ...