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.
BBC Radio 1 occurred in 2005 when the event was yet again renamed and the decision taken to hold only one per year, this time as Radio 1's Big Weekend. Venues under this title have included Herrington Country Park, Camperdown Country Park, Moor Park–which was the first "Weekend" to feature a third stage–Mote Park, Lydiard Park, Bangor and Carlisle Airport. Tickets for each "Big Weekend" are given away free of charge, making it the largest free ticketed music festival in Europe. BBC Radio 1's Big Weekend was replaced by a larger festival in 2012, named 'Radio 1's Hackney Weekend', with a crowd capacity