Run the London marathon / run the marathon

Sam Robson completed last week's London Marathon in a respectable time, then just decided to keep going - all the way home to St Ives.Mr Robson, 28, crossed the finish line near Buckingham Palace on Sunday just three hours and 45 minutes after setting off from Greenwich Park.But instead of stopping he carried on through the night and ran 99 miles to his hometown of St Ives, Cambridgeshire.

During his epic run he burnt off a staggering 15,000 calories and covered a 125.2 miles in just 29 hours.Epilepsy sufferer Sam, who works as a research scientist, said he completed the challenge to raise money for the Epilepsy Society.'For most people the finish line was the end but for me it was just the beginning,' he said.

'In terms of tiredness, my legs felt pretty good throughout the run and the worst bit was I had to keep eating to replace all the calories I was burning.'I had regular breaks to refill my water but whenever I stopped my legs seized up, so I couldn't rest long.'It was a great feeling crossing the line but I was pretty exhausted.

'Running was fine but stopping was the hardest part. It was a great feeling crossing the line although I was pretty exhausted.'I woke up this morning feeling surprisingly good. My hip was a bit sore last night but it feels okay now and my legs are absolutely fine.'Mr Robson, who was diagnosed with epilepsy aged 12, became a keen runner after he completed his first half marathon with his father in September 2009.He decided to attempt his London Marathon challenge after gradually increasing his endurance until he could 100 miles every week.

He set out from London at 9.45am on Sunday before crossing the finishing line 3 hours and 45 minutes later to complete his first ever marathon.However, instead of stopping Mr Robson carried on running through the night, before arriving in St Ives, Cambs., at 2.45pm on Monday.
During his run he did not sleep and only took a short two minute break every ten miles.His proud fiancee Jen Sykes, 28, a respiratory physiotherapist, led his support team and said she was 'amazed' he completed the challenge.'Sam has never wanted to things by the half,' she said.