Marathon Training Plan Longest Run 16 Miles. At the beginning of the training plan, these long runs may take anywhere from 40 minutes to two hours, depending on how fast you run. A typical long run schedule.
One strength (or tempo) run. At the beginning of the training plan, these long runs may take anywhere from 40 minutes to two hours, depending on how fast you run. If you plan to run around four hours for your marathon, then my recommendation for your maximum long run is: