I am mentally committed to ramping up for a marathon at the very end of November, even if I have to walk, but I feel so slow... I
So, have you started training for the marathon yet?

It's important that you ramp your miles up slowly.

I tried training for a 1/2 marathon too quickly... going from 5-7 miles a week to 10-15 miles a week. That, coupled with running shoes not made for my stride... is what started all of my running pain 1 year ago.