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 January 2011 until June 2012, Scotland's show was presented by Ally McCrae. Previously it was hosted by Vic Galloway (who also presents for BBC Radio Scotland); who had presented the show solo since 2004, after his original co-host Gill Mills departed. Wales's show was hosted by Jen Long between January 2011 until May 2012. Previously Bethan Elfyn occupied the slot, who had at one time hosted alongside Huw Stephens, until Stephens left to join the national network, although he still broadcasts a show for Wales - a Welsh-language music show on BBC Radio Cymru on Thursday evenings) Phil Taggart presented