A politician's "spur of the moment" charity idea left her more than £14,000 down after promising £1 for every retweet she got on Twitter.
Tens of thousands of fun runners and amateur athletes set off in bright sunshine as the 32nd London Marathon got under way today.
An 18-year-old from London has now completed 6 marathons in 9 days. He still has 6 to go.
A man from Ealing is taking his charity work to the next level, by cycling from Paris to London on a Boris Bike.
Michael Jardine will be joined by a team of injured service personnel on the mammoth journey next month.
Click here for more on the challenge.
Slough MP Fiona Mactaggart has donated £14,268 to Comic Relief after thousands of people retweeted her post on social networking site Twitter.
The Labour politician told her followers on Friday that she would donate £1.00 to the Red Nose Day appeal for every retweet the post received by 9pm.
"You have to stick by your word if you take a risk like that," she told ITV London.
This is the moment Claire Lomas crossed the finish line just moments ago, after a 16-day marathon.
Claire, who is paralysed from the chest down, has become the first person to complete a marathon on 'bionic legs'.
Claire Lomas has completed the London Marathon after 16 days on the road. She had plenty of support along the way, including from famous names like Gabby Logan and Ben Fogle. She's become the first person to complete any marathon using a pair of 'bionic legs.'
Claire Lomas has raised more than £85,000 for charity during her incredible marathon challenge. The money will go to Spinal Research - see her JustGiving page here.
The family of Claire Squires, who died during the London Marathon on Sunday, has urged people to keep donating to her internet sponsorship page. Since the 30 year-old collapsed near the end of the marathon, hundreds of thousands of pounds have been donated to her chosen charity, the Samaritans.
Thousands of people have been donating to Claire Squires Just Giving page.
The thirty year old collapsed and died during yesterday's London Marathon.
The woman who collapsed and died during the London Marathon has been named in reports as Claire Squires from North Kilworth in Leicestershire. She was running the marathon to raise money for the Samaritans.
Tests are being carried out on the body of a 30 year-old female runner who collapsed and died on Birdcage Walk just before the end of the London Marathon course. The marathon organisers have offered their sympathies to her family. It was the first fatality at the event since 2007.