1952 Isle of Man TT, Junior Clubman's – 2nd, riding a BSA
Junior Manx Grand Prix – 1st
Senior Manx Grand Prix – 2nd (riding an AJS)

1953 Coronation Race, Silverstone, 350cc – 2nd
Mettet – 1st
Isle of Man TT, 350cc – retired

1954 Silverstone, 350cc – 2nd
Blandford, 350cc – 2nd
Blandford, 500cc – 1st
Pau, 350cc – 1st
Pau, 500cc – 2nd
North West 200, 500cc – 2nd
Isle of Man TT, 500cc – 14th
Isle of Man TT, 350cc – retired, engine trouble
Ulster Grand Prix, 350cc – 3rd
Belgian Grand Prix, 350cc – 6th
Belgian Grand Prix, 500cc – 4th
Dutch TT, 350cc – 4th
Dutch TT, 500cc – 6th
Swiss TT, 350cc – 6th
(AJS pulled out of racing at the end of the season)

1955 Began riding Nortons entered by Joe Potts
Isle of Man Junior TT – 2nd
Isle of Man Senior TT – 5th

1956 Won all three classes at Oulton Park
Isle of Man Junior TT, retired due to technical problems
Isle of Man Senior TT, retired due to technical fault

1957 German Grand Prix – 2nd
Isle of Man Junior TT – 1st (record lap of 97.42mph, on a Gilera)
Isle of Man Senior TT – 1st (four laps at over 100mph, on a Gilera)
Dutch TT, 350cc – 2nd
Dutch TT, 500cc – crashed
Ulster TT, 500cc - 2nd
Monza, 350cc – 1st
Finished season as runner-up in 500cc World Championship
Monza, broke one-hour record, travelling 141 miles

1958 Isle of Man Junior TT – retired while lying 2nd
Isle of Man Senior TT – retired while lying 2nd
Isle of Man Southern 100, 350cc – 1st
Isle of Man Southern 100, 500cc – 2nd
Ulster Grand Prix, 500cc – 2nd

1959 Isle of Man TT:
Formula 1 500cc – 1st
350cc – retired (on an AJS)
500cc – 5th
Ulster Grand Prix, 500cc – 2nd

1960 Isle of Man Junior TT – 3rd (on an AJS)
Isle of Man Senior TT – retired due to ignition problem
Mallory Park, 500cc – 1st
Mallory Park, 350cc – 1st
Isle of Man Southern 100, 350cc – 2nd
Oulton Park, 350cc – 1st
Oulton Park, 500cc – 1st

1961 North West 200, 350cc – 1st
North West 200, 500cc – 1st
Isle of Man TT, 250cc – retired in 1st place on last lap (on Honda)
Isle of Man Junior TT – retired due to gear box trouble (on Bianchi)
Isle of Man Senior TT – 2nd (on Norton)
Ulster GP, 250cc – 1st

1962 Oulton Park, 500cc – 1st
Mallory, 500cc – 1st
Isle of Man TTs – retired in Junior and Senior races
Spanish Grand Prix, 250cc – 2nd
French Grand Prix, 250cc – 2nd
Belgian Grand Prix, 250cc – 1st
Oulton Park, 250cc – 1st
Oulton Park, 500cc – crashed and died nine days later






.