The incident is believed to have happened just outside the rink, which was hosting a monthly dance party.
Witnesses tell ABC7 News The Rink has a capacity of 900 people but as many as 4,000 kids were there.
It's not clear what prompted the fight.
2 kids hospitalized after major fight at roller rink
February 7, 2010 (CHICAGO) Four people were injured at The Rink Fitness Factory in the 1100 block of East 87th Street. Two children had to be hospitalized. Hundreds of people were reportedly involved in the melee.
