Thirty-two Gaelic football county teams from Ireland, plus London, participated.
On 25 April, Cork defeated Mayo by 1–17 to 0–12 to win their sixth league title and their third in a row.
[1] The 2010 format of the National Football League was a system of four divisions.
The top two teams in Division 1 contested the 2010 NFL final.
Advanced to NFL final Automatic relegation to Division 2