The University of Maine participates in the NCAA's Division I level, and is a member of the Colonial Athletic Association for football, Hockey East for ice hockey, and the America East Conference for all other sports. The school has won two national championships, both in men's ice hockey. In 1993, they defeated Lake Superior State University 5–4 behind a third period hat trick by Jim Montgomery. In 1999, they defeated rival University of New Hampshire 3–2 in overtime on a goal by Marcus Gustafsson.