Jon Sieben

Australiab. 1966 (60)

World record swims in available results

Personal Bests

Best times from available individual swims and official relay lead-offs. Career coverage may be incomplete. Select an event to show its progression.

1988 Olympic Games Seoul · Meet 17 Sep–2 Oct 1988

200 Butterfly

1984 Olympic Games · 3 Aug 1984

1984 Olympic Games

3 Aug 1984WR1:57.04

Meet dates describe the competition. Race dates are shown per swim where available.

100 Butterfly LCM

—Heat454.67

100 Butterfly LCM

—B Final254.73

100 Butterfly SCM

—Final554.67

100 Butterfly LCM

—A Final453.33

200 Butterfly LCM

—A Final11:57.04

200 Butterfly LCM

—Heat21:59.63

200 Butterfly LCM3 Aug 1984

3 Aug 1984——WR1:57.04