A member of the Big Sky Conference, EWU's athletic program comprises five men's sports: basketball, cross country, football, tennis, and track and field, and seven women's sports: basketball, cross country, golf, soccer, tennis, track and field, and volleyball.

For most of its history, Eastern was a member of the NAIA (National Association of Intercollegiate Athletics) before upgrading its programs and joining the NCAA in the late 1970s.

[6][7] Baseball joined the Northern Pacific Conference in 1980 as its eighth team,[8][9] but after the next season, half of those programs had disbanded,[10] and Oregon dropped the sport as well.

The EWU football team plays at Roos Field, opened in 1967; expanded and renovated in 2004 and 2010 to increase capacity to 11,702.

The stadium was originally named 'Woodward Field' in honor of former Eagles head football and basketball coach Arthur C. Woodward.

The EWU–UM Governors Cup is the annual college football game between the Montana Grizzlies and the Eastern Eagles.

Traditionally, it is in the middle of the regular season, played on the Saturday alternating between Roos Field and Washington–Grizzly Stadium each year.