The green flag has waved to officially start the fourth annual AMA Pro SunTrust Moto-GT 8 Hours At Daytona and Josh Hayes (No. 13 Westby Racing Yamaha YZF-R6) and Martin Cardenas (No. 18 Team Roadracingworld.com Suzuki GSX-R600) immediately began a battle for the lead that could very well be waged for entirety of the eight-hour endurance race that runs from 1 – 9 p.m. ET.

Josh Hayes (No. 4 Yamaha Motor Corp. USA Yamaha R1) claimed his first career win in AMA Pro National Guard American Superbike presented by Parts Unlimited competition and Martin Cardenas (No. 36 Team M4 Suzuki GSX-R600) ran a flawless race in Saturday’s Daytona SportBike presented by AMSOIL race to claim his fourth victory of the season. The co-feature events both saw three different manufacturers claim podium spots in each race and opened the doubleheaders in this weekend’s Kawasaki Superbike Showdown presented by Supercuts at Infineon Raceway in Sonoma, California.