Full name: Jonathan Scott "Jon" Sieben
Height: 5-9 (176 cm)
Weight: 163 lbs (74 kg)
Born: August 24, 1966 in Brisbane, Queensland, Australia
Affiliations: New South Wales / University of Alabama, USA
Medals: 1 Gold, 1 Bronze (2 Total)
At the 1984 Los Angeles Olympics, 17-year-old Jon Sieben caused one of the biggest upsets by defeating two world record holders, West German [Michael GroÃ] and American [Pablo Morales], in the 200 butterfly. The final started as expected as GroÃ went out fast, trailed early by [Rafael Vidal]. Morales made his move at 100 metres. Sieben was out in lane six, unnoticed by the crowd and the other swimmers, but by the final turn moved closer to the leaders. In the last 25 metres it was very close, with four swimmers coming to the wall almost together, but the gold went to Sieben with a world record of 1:57.04. He also won bronze as a member of Australian medley relay team at the 1984 Olympics.
Sieben made his international dÃ©but at the 1982 Commonwealth Games, where he won bronze in the 200 butterfly and gold as a member of Australiaâs medley relay team. After the 1984 Olympics, he next competed at the 1985 Universiade, again beating the favored GroÃ for gold in the 100 fly, but the rest of Siebenâs career was hampered by shoulder injuries. He also won 100 butterfly silvers at the 1985 and 1987 Pan Pacific Games, medley relay silver at the 1985 Pan Pacific Games, and medley relay bronzes at the 1987 and 1991 Pan Pacific Games. He ended his swimming career after reaching only the B-final of the 100 fly at the 1992 Olympics. Sieben graduated from the University of Alabama with a business management degree and later ran The Northern Beaches Leisure Centre in Townsville, Queensland.
Personal Bests: 100 m butterfly â 53.33 (1988); 200 m butterfly â 1:57.04 (1984).
|1984 Summer||17||Los Angeles||Swimming||Men's 200 metres Butterfly||Australia||AUS||1||Gold|
|1984 Summer||17||Los Angeles||Swimming||Men's 4 Ã 100 metres Medley Relay||Australia||AUS||3||Bronze|
|1988 Summer||22||Seoul||Swimming||Men's 100 metres Butterfly||Australia||AUS||4|
|1988 Summer||22||Seoul||Swimming||Men's 4 Ã 100 metres Medley Relay||Australia||AUS||6|
|1992 Summer||25||Barcelona||Swimming||Men's 100 metres Butterfly||Australia||AUS||10|
|1992 Summer||25||Barcelona||Swimming||Men's 4 Ã 100 metres Medley Relay||Australia||AUS||7|
|1988 Summer||22||Seoul||Swimming||Australia||Final||4||53.33||24.75||2||28.58 (5)|
|1988 Summer||22||Seoul||Swimming||Australia||Round One||Heat Seven||3||Q||53.85||25.44||3||28.41 (1)|
|1992 Summer||25||Barcelona||Swimming||Australia||B Final||2||54.73||25.90||4||28.83 (3)|
|1992 Summer||25||Barcelona||Swimming||Australia||Round One||Heat Nine||4||q||54.67||25.73||4||28.94 (2)|
|1984 Summer||17||Los Angeles||Swimming||Australia||Final||1||WR||1:57.04||27.17||5||57.79||7||1:27.80||4||30.62 (8)||30.01 (2)||29.24 (1)|
|1984 Summer||17||Los Angeles||Swimming||Australia||Round One||Heat Four||2||Q||1:59.63||26.96||3||57.80||3||1:27.89||1||30.84 (5)||30.09 (1)||31.74 (2)|
|1984 Summer||17||Los Angeles||Swimming||Australia||AUS||Round One||Heat Three||1||54.24||2:54.32||1|
|1988 Summer||22||Seoul||Swimming||Australia||AUS||Round One||Heat Two||3||54.65||2:58.13||3|
|1992 Summer||25||Barcelona||Swimming||Australia||AUS||Round One||Heat Two||3||54.73||2:53.79||3||25.21|