2004 All-Ireland Senior Football Championship
The 2004 All-Ireland [Senior Football Championship], known for sponsorship reasons as the 2004 Bank of Ireland All-Ireland Senior Football Championship was the premier Gaelic football competition in 2005. It consisted of 33 teams and began on Sunday 2 May 2004. The championship concluded on Sunday 26 September 2004, when Mayo were defeated by Kerry by 1–20 to 2–9.
Format
Since the introduction of the so-called "back-door" system, a number of changes have taken place in the championship format. In 2004 the following system was used:The provincial championships in Munster, Leinster, Ulster and Connacht ran as usual on a "knock-out" basis. These provincial games were then followed by the "Qualifier" system:
- Round 1 of the qualifiers included all the counties that do not qualify for the Provincial Semifinals. An open draw was made to give eight pairings.
- Round 2 consisted of the eight defeated teams in the Provincial Semifinals playing against the eight winners from Round 1. A draw was made to determine the eight pairings.
- Round 3 consisted of the eight winners from Round 2. Another open draw was made to determine the four pairings.
- Round 4 consisted of each of the four teams defeated in the Provincial Finals playing against the four winners from Round 3. A draw was made to determine the four pairings.
Provincial championships
[Munster Senior Football Championship]
Quarter-finalsSemi-finals
'''Final'''
[Leinster Senior Football Championship]
First roundQuarter-finals
Semi-finals
'''Final'''
[Ulster Senior Football Championship]
Preliminary roundQuarter-finals
Semi-finals
'''Final'''
[Connacht Senior Football Championship]
Quarter-finalsSemi-finals
'''Final'''
Qualifiers
Round 1
The losers of the preliminary-round matches and quarter final matches of each provincial championship started the qualifier.Tipperary withdrew from the competition following the resignation of their manager, Andy Shorthall, giving Fermanagh a walkover into Round 2.
Round 2
The winners of round 1 were joined by the semi-final losers of each provincial championship. The matches would be between a round 2 winner and a provincial championship semi final loser.Round 3
The winners of round 2 contest as the matches from here were lowered to four. Matches were open.Round 4
The winners of round 3 were joined by the losers of each provincial championship final. The matches would be between a round 3 winner and the loser of a provincial championship final.[All-Ireland Senior Football Championship]
The provincial champions and the winners of round 4 contested the quarter-finals. The quarter final matches would be between a provincial champion and a round 4 winner.Quarter-finals
Semi-finals
'''Final'''
Championship statistics
Miscellaneous
- Carlow defeat Longford in the Leinster Championship for the first time since 1977.
- Limerick and Waterford meet in the Munster Championship for the first time since 1991.
- The Ulster final was moved from St Tiernach's Park, Clones to Croke Park, Dublin the venue hosted before in the 1939 replay.
- Westmeath win the Leinster Championship for the very first time in their history.
Top scorers
| Player | County | Scores | Total |
| Mattie Forde | Wexford | 3–38 | 47 |
| Conor Mortimer | Mayo | 1–42 | 45 |
| Paddy Bradley | Derry | 2–38 | 44 |
| Padraic Davis | Longford | 2–28 | 34 |
| Enda Muldoon | Derry | 3–24 | 33 |
| Dara Ó Cinnéide | Kerry | 2–25 | 31 |
| Dessie Dolan | Westmeath | 1–27 | 30 |
| Mark Harte | Tyrone | 3–18 | 27 |
| Stephan Maguire | Fermanagh | 0–27 | 27 |