You need a good training plan and be attached to it seriously.
Food and supplementation are essential, also it has to be trained.
Normally I dedicate 6 months for training marathon but it can be done in 4 months...
You are viewing a single comment's thread from:
I'm apporaching the 40 slowly, so I'm going to dedicate more to it, maybe startthe nutrition part a bit later, but especially the training part I am going to start early and slowly