Thoughts on this base phase plan:
Once a week do one of the following workouts:
1. 5-6 x mile
2. 8-10 x 800
3. 8-10 x 400
4. ladders
Once a week a do fartlek/tempo/progressive type of run finshed with strides, hill sprints and 200/300 meter reps
Double everyday, and run about 100 miles a week.