Attempts to travel the network have been linked to charities such as Children in Need and Comic Relief. A charity attempt known as "Tube Relief" was organised, following the 7 July 2005 London bombings, to raise money for the London Bombings Relief Charitable Fund. Fifty-one people rode the entire tube network for the day, raising over £10,000 towards the official charity fund. A Sue Ryder charity event took place in November 2011, when ten teams competed against each other to have their photo taken outside as many of the 270 stations as possible. Former record holder Geoff Marshall subsequently organised a mass-participant events in 2014, 2015 and 2016, called "Walk The Tube", raising tens of thousands of pounds in the process.