en The crews of students 1000 or 2000 attend this extraordinary event. More than ever, this 12th edition under the sign of solidarity in order to beat the record for 2008 of 58 tonnes of aid provided. The environment is at the heart of the concerns of the organization and the participants. The participants have decided to join Deloitte 4L Eco challenge many with the installation of a project "green" during the raid.