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.
Jo Whiley tour dates and occasional live 'sessions' at Maida Vale Studios while working within the restrictions of Radio 1's daytime schedule. When Simon Mayo left Radio 1 for Radio Five Live and BBC Radio 2 in February 2001, Whiley's show was moved to a mid-morning slot. In July 2008, "The Jo Whiley Show" was fined £75,000 for misleading listeners for an incident involving a member of BBC staff posing as a member of the public taking part in a competition. The BBC claim Whiley herself was unaware of the deception at the time of its broadcast. Jo Whiley show ended broadcasting