So guys thank you so much for the support, race completed (thankfully)
I got round in a pretty respectable time of 1 hour 45 minutes and 13 seconds, so 13 seconds off my target but I’ll take that!
Great day all round and the money is going towards a great cause. A few last minute donations have taken me up to my target which is amazing of £300 so thanks all 

Footage of me finishing is below, luckily you can’t see how tired I was!
Alex