1967 - 3rd in Can-Am race at Laguna Seca in wet (McLaren) 1968 - Can-Am and Formula A (McLaren M10) 1969 - 2 F1 attempts (Owen Racing/BRM), retired both US & Mexico GPs 1970 - 10 F1 attempts (2 Owen Racing/BRM, 8 Yardley BRM). DNQ=2. Also raced BRM P54 in Can-Am 1971 - 15th Canadian GP (Yardley BRM). Raced Ferrari sportscar at Sebring, Le Mans and Watkins Glen 1972 - retired after Daytona 6 hrs