Held in conjuction with CPW spring fling car show in van nuys, ca. Speed Fest is at willow springs raceway in rosamond , ca. Whole event runs wed april 11th to Sunday April 15th Anybody else going? Held in conjuction with CPW spring fling car show in van nuys, ca. Speed Fest is at willow springs raceway in rosamond , ca. Whole event runs wed april 11th to Sunday April 15th Anybody else going?