The 2005 Churchill Cup was held between 14 June and 21 June 2005 in
Edmonton,
Canada. It was the third edition of the
Churchill Cup competition. three of the four
rugby union teams taking part in the
2004 men's competition,
Canada,
England A, the
USA, returned to compete, while
Argentina A replaced the
Māori.
There was no women's event, although a similar event, the 2005 Canada Cup did take place.
The competition took on a straight 'knock-out' format. Four teams played in two semi-final matches, with the North American sides kept apart. The winners of each semi final competed in the final match, while the losers took part in a 3rd/4th place playoff. Four matches were played over a period of two weeks.