Wow! What a day. I had a great first 20 miles and the last 6 were killers - my quads seemed to seize up, something I have not experienced before. I completed it in 4 hours and 7 minutes and 27 seconds, not under my target of 4 hours but I'm well chuffed all the same as it was my first marathon. I'd say that actually the sheer number of people on the course stopped me from getting sub-4 hours.
I was surrounded by people for the full 26 miles. I had a fantastic day and the support was incredible, especially in the last four miles when I really wanted to walk! It was much hotter than most of the training I'd done so I found taking on the correct amount of liquid quite tricky. I was petrified of have to stop to go to the loo (someone told me they had to wait 20mins for the loo, on the course, last year!) so I probably didn't drink enough. I feel I've accomplished something incredible.