Derby Does Dallas--and Austin and Seattle, Too

According to their recruiting materials, the Dallas Derby Devils are "looking for a few bad women"--black fishnets and tongue studs optional. As one of the nation's newest roller-derby leagues, the sexed-up Triple D's reflects the sport's new look, one that's decidedly different from the old '70s slamdango. Sweatbands and tank tops have been replaced by spiked collars and sultry schoolgirl uniforms. Gone, too, are the banked tracks of yesteryear, as the sport expands into less expensive arenas such as parking lots and tennis courts.

So-called flat tracks, which are cheaper to build and bring the action closer to spectators, are helping...