 Castrol Six Hour (New Zealand)

The New Zealand Castrol Six Hour Race was an endurance motorcycle race that was held for fifteen years at Manfeild, Palmerston North from 1974 to 1988.Many of New Zealand's top international riders competed at the Six Hour race; winners included Dave Hiscock (5-time winner), Neil Chivas (4-time winner), Graeme Crosby (3-time winner), Aaron Slight (2-time winner), and Ginger Molloy (first winner).