WFTDA — Women’s Flat Track Derby Association
Jam-starting Whistle One short
Lead Jammer Two rapid
Penalty One long
Timeout (Team or Official) Called Four rapid
Timeout Ended Long rolling
Jam Called Off/Ended Four rapid
Period/Game Ended Long rolling
©2014 Women’s Flat Track Derby Association (WFTDA). The Rules of Flat Track Roller Derby may not be reproduced or translated in whole or in part in any manner without the permission of the WFTDA.
Real. Strong. Athletic. Revolutionary.