 During the 1970 Hardie-Ferodo 500 Roberts was involved in a sensational incident late in the race when, after losing control, he launched his Ford XW Falcon GTHO Phase II backwards over Skyline before tumbling down the hillside.Roberts made seven starts in the history of the Bathurst 1000, after his impressive debut with a third place (with Bob Watson) in 1968.Roberts (with Colin Bond) won Bathurst in 1969.