(The Cadet champions from 1950 up to and including 1966 won the International Cadet Week, the forerunner of the World Championships).
1950 – Burnham-on-Crouch, England – D Thorpe / R Pratt (GBR)
1951 – Burnham-on-Crouch, England – R Ellis / B Ellis (GBR)
1952 – Burnham-on-Crouch, England – B W Appleton / R Vines (GBR)
1953 – Burnham-on-Crouch, England – B Ellis / R Walsh (GBR)
1954 – Burnham-on-Crouch, England – B Ellis / R Walsh (GBR)
1955 – Burnham-on-Crouch, England – B Ellis / Walsh (GBR)
1956 – Burnham-on-Crouch, England – J Prosser / P Assheton (GBR)
1957 – Burnham-on-Crouch, England – B Steel / R Steel (GBR)
1958 – Burnham-on-Crouch, England – P van Godsenhoven / R Joski (BEL)
1959 – Burnham-on-Crouch, England – J Rogge / P Rogge (BEL)
1960 – Burnham-on-Crouch, England – R Pattisson / J Pattisson (GBR)
1961 – Burnham-on-Crouch, England – P Bateman / T Jenkins (GBR)
1962 – Burnham-on-Crouch, England – S Clifford / A Harden (GBR) and Georges Wackens/Annette Verhaegen (BEL) Tied - the only occasion this has occurred
1963 – Burnham-on-Crouch, England – I Gray / I Gray (GBR)
1964 – Burnham-on-Crouch, England – M Harrison / A Tucker (GBR)
1965 – Plymouth, England – N Boult / D Long (GBR)
1966 – Plymouth, England – B Wyszkowsk / A Nowicki (POL)