The San Diego Derby Dolls will strap on their skates and pads Saturday night.
The doors at the Derby Dolls roller derby at the Del Mar Fairgrounds open at 6 p.m. Event organizers said the "bout" will begin at 7 p. m.
Tickets are 15 at the door but can be purchased for $13 online for this all-ages event. Kids under 7 are free, and VIP bleacher seating is also available for $20.