Saturday: Tempo run of 2-4 miles plus a warm-up & cool-down
Sunday: Rest day
Monday: easy 4 - 6 miles as you feel
Tuesday: hills (either continuous run on hilly course or intervals uphill on 200-600 hill walk down recovery)
Wednesday: Rest day
Thursday: speed work warm-up w/ strides 1st week 8x200 2nd week 6x400 3rd week 4x800 take as much recovery as you feel you need up to twice the time of the interval cool-down with a mile walking and/or jogging
Friday: easy 4 - 6 miles as you feel
Total miles per week: 20 - 28 to start
Run 200's @ 30-35, 400's @ 66-77, 800's @ 2:48 +/-
Let me know how you are doing and let me know if you have any questions. Good luck!