. These schedules contains a mixture of repetition running, hill sessions and pace runs, for improving running speed, plus long runs for endurance. For advanced runners, the highest weekly mileage reaches a plateau of 55-60 miles a week, but there’s no reason why
). This turns on its head the accepted system of starting a marathon build-up from a low mileage base and building up the long runs and total miles between Christmas and the race – usually about 12 to 16 weeks. This is fine for relative beginners
