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.
Radio 1's Weekend Breakfast Show schedule, using the weekend presenters. At earlier times, the weekend breakfast show was split into two different shows by two different DJs. From 20 September 2003, the weekend breakfast show was merged into two days until 15 June 2018. On 17 January 2018, BBC Radio 1 announced that Alice Levine will be shifted from weekend afternoon slot (1-4pm) to co-host Dev on Weekend Breakfast slot. At a time when pay equality is under scrutiny at the BBC, Radio 1 confirmed Alice Levine and Dev will earn the same, as will Maya and Jordan. Matt Edmondson filled Alice Levine's afternoon slot.