BBC Radio 1 part of a Guinness World Record attempt, in aid of Comic Relief. The pair stayed on air for 52 hours in total setting a new world record for 'Radio DJ Endurance Marathon (Team)’ after already breaking Simon Mayo's 12-year record for Radio 1's Longest Show of 37 hours which he set in 1999, also for Comic Relief. The presenters started on 16 March 2011 and came off air at 10:30am on 18 March 2011. During this Fearne Cotton made a bet with DJ Chris Moyles that if they raise over £2,000,000 she will appear on the show in a swimsuit.
Dev (DJ) 2007 when he became presenter of the weekday early morning show (not the Breakfast show) between 6am and 8am. On 5 June 2009 the BBC announced that Dev was moving from his early morning show on BBC Radio 1Xtra across to BBC Radio 1 to take on the weekend breakfast show. This show started in July 2009. In a further shake up to their daytime programming, during the Summer of 2009, it was announced that Dev would be moving from Weekend Breakfast, to replace Greg James, as the host of the weekday Radio 1 early breakfast show, between 4am and