Glass City is a member of the Women's Flat Track Derby Association (WFTDA).

[1] Glass City was founded in 2007[2] by Jessica "Betty Floored" Crossfield and others.

[3] By late 2009, the league had twenty skaters,[4] and it opened its first season in October by playing the Fox Cityz Foxz.

[5] The league later inspired the founding of the Sandusky Rollergirls.

[6] Glass City was accepted into the Women's Flat Track Derby Association Apprentice Program in April 2010,[7] and became a full member of the WFTDA in March 2012.