September Running Plan

I looked up my VDOT in Daniels' Running Formula Chapter 3 Measuring Your Starting Point. For my 26:24 time, 8:30 min/mi pace, in yesterday's 5K race it is VDOT = 36. Then I went to another table in the book and found my Easy and Long run pace should be 10:40 min/mi. I have been doing Easy runs of 2 mi three times a week at around 9:40 min/mi and Long runs of 4 mi once a week at around 10:20. The Easy runs have been way too fast to allow for adequate recovery from the 10-20-30 intervals and Long runs. I did not know that until yesterday. My Easy runs in September will still be 2 miles but at a 10:40 pace. The actual Long run pace is only 20 seconds per mile too fast and I plan on increasing the Long run from 4 mi to 6 mi by the end of September. This should slow my pace down to 10:40 and increase my endurance because of the increased distance. I do not plan on changing my paces in my 10-20-30 intervals because running the 90%-70%-30% of maximum speed in each phase is overkill. I will continue to sprint for 10 seconds, concentrate on my form for 20 seconds and jog for the 30 second recovery. I do plan on increasing my number of 10-20-30 intervals from 3x5 twice a week to 4x5 twice a week by the end of September. The total distance, warm-up + intervals + cool-down, for Intervals will stay at 3 mi because I will add the fourth set to the cool-down. The subjects in the Danish 10-20-30 training study ran between 3x5 and 5x5 sets so I will be right in the middle. There is no local 5K race in September and I will have to wait until October to see if I can improve my 5K time.