A bunch of women are wearing helmets skating.
A group of women in roller skates and helmets.
A person wearing a helmet riding roller skates with others.
Girls rocing out at a roller derby skating on a track.y
A group of people are skating on a track.
A bunch of girls in roller skates skating in a line.
Women on rollers skates competing in an indoor roller derby rink.
The roller derby players line up to take a lap around the track.
A group of people wearing helmets and roller skates.
Two teams of women are at a skating rink playing roller derby.