2009 Mid-American Conference football standings
	Conf				Overall
Team		W		L		W		L
East Division
Ohio xy		7	–	1		9	–	5
Temple x		7	–	1		9	–	4
Bowling Green		6	–	2		7	–	6
Kent State		4	–	4		5	–	7
Buffalo		3	–	5		5	–	7
Akron		2	–	6		3	–	9
Miami		1	–	7		1	–	11
West Division
#23 Central Michigan x$		8	–	0		12	–	2
Northern Illinois		5	–	3		7	–	6
Western Michigan		4	–	4		5	–	7
Toledo		3	–	5		5	–	7
Ball State		2	–	6		2	–	10
Eastern Michigan		0	–	8		0	–	12
Championship: Central Michigan 20, Ohio 10
$ – Conference champion x – Division champion/co-champions y – Championship game participant Rankings from AP Poll

The 2009 Marathon MAC Championship Game was a college football game played by the Central Michigan Chippewas and the Ohio Bobcats. The game, sponsored by Marathon Oil, was the final regular season contest of the 2009 college football season for the Mid-American Conference. The game was held at Ford Field in Detroit, Michigan, where it was moved to following the 2003 MAC Championship Game.

The Ohio Bobcats were selected to represent the East Division by virtue of a tie-breaking head-to-head victory against the Temple Owls in the final game prior to the championship game. They ended the season with a 9–3 record, including 7–1 in MAC play. The West Division is represented by Central Michigan, who had a 10–2 record prior to the game, including a perfect 8–0 in the MAC. This game was a rematch of the 2006 game, where the Chippewas came out victorious in a 31–10 decision.

The MAC Championship Game matches the winners of the East and West divisions of the Mid-American Conference. The game began in the 1997 season when the MAC added Northern Illinois and Marshall. This expanded the league to twelve teams, and therefore the conference was able to hold a conference championship game under National Collegiate Athletic Association (NCAA) rules.

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