Training for the london marathon

Hello i have been drinking huel with cold water or skimmed milk for a couple of months but now i have got a last minute place on the london marathon and i wanted to know if it will help with pre and post workout ? Any suggestions gratefully accepted

Cheers
Sas

It should be fantastic for that.

Personally, depending on your training volume, I would supplement it to increase your carbohydrate intake. A good table to go by is:

If you’re aiming to be a certain weight, use your goal weight not your current weight when using the table above.