Willem Jonkman

1980

Mr Holland - NPBO, Tall, 3rd
Holland Iron Man - NPBO, Tall, 3rd

1981

Mr Holland - BBBN, Tall, 3rd

1982

Holland Nationals - NBBF, HeavyWeight, 2nd

1983

Holland Nationals - NBBF, HeavyWeight, 1st

1984

European Amateur Championships - IFBB, HeavyWeight, 2nd
Holland Nationals - NBBF, HeavyWeight, 1st

1985

European Amateur Championships - IFBB, HeavyWeight, 3rd
Holland Grand Prix - NBBF, HeavyWeight, 1st

1986

European Amateur Championships - IFBB, HeavyWeight, 5th
Holland Nationals - NBBF, HeavyWeight, 1st