Shadow Chancellor of the Exchequer Ed Balls praised the crowds for keeping him going after posting a time of over five and a half hours.
"The crowd was fabulous, the atmosphere was amazing and it was really, really hard. I had a good first 13 miles and a good last 8 miles but the bit in the middle was really, really tough. I almost stopped and wondered if I could do it but the crowd keep you going as do the other racers.
"My final time was 5:33 which was fine, pretty much what I should have run on the basis of my training. We have raised £56,000 so far for Whizzkids and for Action for Stammering Children so the time's ok, we raised lots of money..."
Tens of thousands of fun runners, amateur athletes and celebrities took part in the 32nd London Marathon.
Runner Matthew Loddy nears the end of his ‘100 marathons in 100 days’ challenge which has taken in Europe and parts of the UK.