That is 10 secs slower than my PB, I am also training for peterborough half in a few weeks, first one. I was hoping for about 1.35. I have been doing 4 training sessions a week consisting of a speed session at the track, 6-8 mile run at 7 min miles, long run of 12 minimum, 8 mile easy run. Seems to be working for me, can't stress enough how much you need that long run as my legs start dieing around 11 miles, good luck buddy.
The stark reality is that if you enter a race of whatever distance you need to do the relative training to give yourself the best possible chance in chosen race. If you don't like the long miles, enter shorter races buddy.
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Martian
