30 year old male of average talent and decent weight runs 5mpw for a few weeks and runs a 25 minute 5k. Ups mileage to 20mpw for a year and runs 21:30. What does he run at the end of each year as mileage is built, assuming no injuries and a decent training plan with a few workouts every week:
30mpw avg for a year (end year two)
40mpw avg for a year (end year three)
50mpw avg for a year (end year four)
50mpw avg for a year (end year five)
50mpw avg for a year (end year six)