S3 Supergirl Jam Kicks Off Today At The U.S. Open Of Surfing

100’s of the world’s top female athletes compete in surf, skate, and snow competitions. Events include the supergirl bowl jam, supergirl junior pro surfing, skateboarding vert best trick, inline skating rail jam best trick, snowboard rail jam, and a pro half-pipe exhibition. Athletes competing include Gretchen Bleiler, Kassia Meador, Lyn-z Adams Hawkins, and more. The Donnas will also be providing some tunes today.