Founded in June 2009, Southern Illinois Roller Girls (SIRG) is the first and only all-female flat-track roller derby league in Southern Illinois. SIRG is a full member league of the Women's Flat Track Derby Association (WFTDA) as of January 2012.
The SIRG practice and bout at The Pavilion in Marion. The Pavilion offers ample parking, a polished concrete floor, water fountains, soda machines, and ATM in a climate-controlled environment. Their full concession stand features a variety of snacks and hot foods. Spectators 21+ can enjoy an alcoholic beverage from the bar.