For some reason I never posted the epilogue to this. Yes I finished, in 4:28:27. I set myself a goal of 4:30:00 so I’m stoked. Yes it was hard, especially the last 5k’s. As soon as I finished I said I’d never do it again. By the time I got home I’d worked out that I could cut off 15 minutes pretty easily. Haven’t really been running since though, which I’m pretty disappointed about.