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is a town in Marathon County, Wisconsin, United States. It is part of the Wausau, Wisconsin Metropolitan Statistical Area. The population was 1,085 at the 2000 census. The village of Marathon City was incorporated from a part of the town's original area.
According to the United States Census Bureau, the town has a total area of 33.0 square miles (85.6 km²), of which, 33.0 square miles (85.5 km²) of it is land and 0.04 square miles (0.1 km²) of it (0.09%) is water.