SUPERFIT Jonathan Dobson battled heat and exhaustion to complete a gruelling run as part of a touching tribute to his wife.
The 45-year-old, from Grindon, finished his third London Marathon in memory of Christine, who died in 2005.
Now he wants to say a big thank-you to all those who have helped support him through a difficult six years.
Mum-of-two Christine, who was diagnosed with multiple sclerosis in 1997, died when she was 35.
The disease of the nervous system, which affects an estimated 100,000 people in the UK, interferes with messages between the brain and other parts of the body.
Many sufferers become severely disabled and there is no known cure.
“Christine, I and our two sons Matthew and Dominic had discussed the race prior to her death,” he said. “It was a fitting tribute to her for me to run the 2006, 2007 and this year’s race.
“It wasn’t the easiest I’ve ever taken part in. The heat was unbearable at times, but I was determined to get through it.” “
His run earlier this year also raised money for charity Multiple Sclerosis Society.
“I want to say thank-you to all the generous people who supported me,” said the contract surveyor. “We managed to raise £978 in sponsorship.
“It is a fantastic charity and we want to do all we can to help it.
“We have collectively raised more than £3,000 for charity over the three runs, which is a fantastic achievement.”
The Multiple Sclerosis Society, the UK’s largest charity for people affected by the condition, provides help and support for sufferers, and well as funding research and care.
Carl William Brown, the charity’s fund-raising co-ordinator in Sunderland, said: “A big well done to Jonathan for completing this gruelling task to help people with this debilitating disease and in memory of his wife.
“We at the Sunderland and District Branch of the MS Society are always looking for people to raise funds and help out within the branch.
“It gives us great pleasure to say that Jonathan and his family have helped us along with this.