Mazda Raceway Laguna Seca
In July 2007, Hayden made his MotoGP début as a wild card for Kawasaki at Mazda Raceway Laguna Seca. He piloted the Kawasaki ZX-RR to a tenth-place finish, scoring six points for Kawasaki Motors Racing. On September 16, 2007 at Mazda Raceway Laguna Seca, Hayden clinched the AMA 600 Supersport championship after finishing runner-up twice during the and seasons.