The 2025 All-Ireland Minor Football Championship was the 94th staging of the All-Ireland Minor Football Championship since its establishment by the Gaelic Athletic Association in 1929. The championship runs from 21 March to July 2025. Derry were the defending champions, however, they were defeated by Down in the Ulster Championship. Format. A vote at GAA Congress in September 2023 approved the introduction of tiered knockout competitions as part of the All-Ireland Minor Football Championship. Tier 1 features the four provincial champions playing the four provincial runners up in the All-Ireland quarter-finals. Those pairings are decided on a provincial rota system initially determined by Central Council and provincial finals cannot be repeated at the quarter-final stage. The tier 2 knockout competition comprises 11 teams: one from Munster, four teams from both Leinster and Ulster and two from Connacht. Leinster and Ulster are each represented by their two losing semi-finalists as well as two beaten quarter-finalists. The third and fourth placed teams in Connacht are also included. The semi-finalists in Leinster and Ulster along with the third-placed team in Connacht receive byes to the quarter-finals where they are joined by three preliminary quarter-final winners. In tier 3, there are 13 teams made up of five from Leinster, three from both Munster and Ulster and two from Connacht. In Connacht's case, their fifth-placed team play London for a place in the quarter-finals. The tiered All-Ireland series runs over an eight-week period from mid-May to the start of July.