The Marion Blue Racers were a professional indoor football team based in Marion, Ohio. The Blue Racers began play as an expansion team in the Continental Indoor Football League (CIFL) in 2011, before moving to the United Indoor Football League (UIFL) for the 2012 season. The Blue Racers returned to the CIFL in 2013. The team had announced that it would be joining the Xtreme Indoor Football League (XIFL) for the 2014, but later re-signed with the CIFL. During the 2015 season, the Blue Racers played as members of X-League Indoor Football.

Marion is a city in and the county seat of Marion County, Ohio, United States. It is located in north-central Ohio, approximately 50 miles (80 km) north of Columbus. The population was 35,999 at the 2020 census, down slightly from 36,837 at the 2010 census. It is the largest city in Marion County and the principal city of the Marion micropolitan area. It is also part of the larger Columbus–Marion–Zanesville, OH Combined Statistical Area.