If you are going to run a marathon, it is important to carb load the day before. 
Is it good to sleep a lot?
Marathon
The marathon is a long-distance race with an official distance of 42.195 kilometres (approximately 26 miles 385 yards), usually run as a road race. The event was instituted in commemoration of the fabled run of the Greek soldier Pheidippides, a messenger from the Battle of Marathon to Athens, who reported the victory. The marathon can be completed by running or with a run/walk strategy. There are also wheelchair divisions.
The marathon was one of the original modern Olympic events in 1896, though the
fast and I think that is something to be happy about and we can move forward to Loudon (next week) with some motivation.”
“You know, it was a long day for us for sure,” said Blaney. “We passed a lot of cars. We didn’t start good. We started 22nd. Worked on our car all day and got it better and better each run. There was maybe only one run where I thought we went backwards. We fixed it right away and started going