Richard: As you may understand from my nick English is not my native language so I think I was a bit unclear. What I meant with "hard" was that I think that there is a risk that the longest runs may do more damage than build up. The positions of the long runs in the program also look a bit unbalanced in my view, but once again, I´m not familiar with the plan and to be honest I´m not an expert either.
I´m going to do this as well. Have been to Barcelona a couple of times during the summer months but never did the marathon. Staying in a hotel near The Ramblas which is close to a metro stop so shouldn´t be har to make it to the starting area on race day.
Richard 2: I´m not familiar with that program but I think the design looks okay. Speed seems to be added later in the program. The only thing that seems to be a bit strange is the long runs. There seems to be four runs that goes over 30 km/18 miles and they are quite spread out. Two of them are 24,4 miles, which is nearby the full marathon distance, and supposed to take 3.30 to do. This sound a bit hard to me.