The start point is the usual place by the chess boards under the big wheel if it is still there. It is 6 miles to the cafe stop (Eutopos - meaning utopia), then another 7 miles back to Boar Lane/City Square.
The cafe menu is extensive so here is a heads up to view it:
https://www.instagram.com/p/DRqOkVWCF6J/?img_index=1 (I am not sure but you may need an instagram account to view this)