| Competition | 1999 World Swimming Championships (25 m) | 
|---|---|
| Venue | 
Hong Kong
 | 
| Held | 2 – 3 April 1999 | 
| Status | Medal | 
| Competitors | 39 | 
| Countries | 28 | 
| Pos | Athlete(s) | Country | Preliminary Round | Semi-Finals | Final | ||
|---|---|---|---|---|---|---|---|
| 🥇 | Jani Sievinen | 55.63 (3 h6)  | 
55.40 (2 h1)  | 
54.18 (1 F)  | 
|||
| 🥈 | Matt Dunn | 55.51 (1 h5)  | 
55.05 (1 h1)  | 
54.77 (2 F)  | 
|||
| 🥉 | Jakob Andersen | 55.91 (2 h5)  | 
55.13 (1 h2)  | 
55.05 (3 F)  | 
|||
| 4 | Peter Mankoč | 55.06 (1 h6)  | 
55.34 (2 h2)  | 
55.36 (4 F)  | 
|||
| 5 | Ouyang Kunpeng | 55.88 (1 h4)  | 
55.87 (5 h2)  | 
55.54 (5 F)  | 
|||
| 6 | Nuno Laurentino | 55.52 (2 h6)  | 
55.80 (4 h2)  | 
55.61 (6 F)  | 
|||
| 7 | Rob Van der Zant | 56.13 (3 h4)  | 
55.63 (3 h2)  | 
55.64 (7 F)  | 
|||
| 8 | Theo Verster | 55.90 (4 h6)  | 
55.51 (3 h1)  | 
55.72 (8 F)  | 
|||
| 9 | Zhang Xiao | 56.21 (5 h6)  | 
56.01 (4 h1)  | 
— | |||
| 10 | Jan Víťazka | 55.92 (2 h4)  | 
56.13 (5 h1)  | 
— | |||
| 11 | Krešimir Čač | 56.78 (6 h6)  | 
56.28 (6 h2)  | 
— | |||
| 12 | Brian Johns | 56.88 (5 h4)  | 
56.57 (6 h1)  | 
— | |||
| 13 | Oleg Pukhnaty | 56.91 (7 h6)  | 
56.65 (7 h1)  | 
— | |||
| 14 | Chris-Carol Bremer | 56.90 (3 h5)  | 
56.79 (7 h2)  | 
— | |||
| 15 | Tom Karlsen | 56.70 (1 h3)  | 
56.83 (8 h1)  | 
— | |||
| 16 | Nick Sheeran | 56.39 (4 h4)  | 
57.03 (8 h2)  | 
— | |||
| 17 | Lorenz Liechti | 56.92 (4 h5)  | 
— | — | |||
| 18 | Robert Seibt | 56.93 (6 h4)  | 
— | — | |||
| 19 | Martin Harris | 57.09 (7 h4)  | 
— | — | |||
| 20 | Dean Kent | 57.20 (2 h3)  | 
— | — | |||
| 21 | Stephan Baptista | 57.44 (5 h5)  | 
— | — | |||
| 22 | Simon Handley | 57.48 (8 h6)  | 
— | — | |||
| =23 | Cédric Bavay | 57.52 (=6 h5)  | 
— | — | |||
| =23 | Mark Chay | 57.52 (=6 h5)  | 
— | — | |||
| 25 | Jason Fox | 57.78 (3 h3)  | 
— | — | |||
| 26 | Aleksandar Miladinovski | 57.99 (4 h3)  | 
— | — | |||
| 27 | Thierry Wouters | 58.40 (5 h3)  | 
— | — | |||
| 28 | Dionysios Papadakis | 59.25 (1 h2)  | 
— | — | |||
| 29 | Fergus Kuek | 59.29 (2 h2)  | 
— | — | |||
| 30 | Wan Azlan Abdullah | 59.62 (6 h3)  | 
— | — | |||
| 31 | Ku Lok | 59.74 (3 h2)  | 
— | — | |||
| 32 | Harbeth Fu | 59.82 (4 h2)  | 
— | — | |||
| 33 | Hung Chien-Chih | 59.92 (5 h2)  | 
— | — | |||
| 34 | Huang Chih-Yung | 1:00.83 (8 h4)  | 
— | — | |||
| 35 | Carl Probert | 1:01.41 (6 h2)  | 
— | — | |||
| 36 | Tai Ka Kin | 1:04.02 (1 h1)  | 
— | — | |||
| 37 | Tang Kok Wai | 1:05.70 (2 h1)  | 
— | — | |||
| 38 | Mohamed Al-Hamady | 1:08.79 (3 h1)  | 
— | — | |||
| DQ | Philippe Demers | — (DQ h3)  | 
— | — | |||
| DNS | Tamer ZinhomDNS | — (DNS h5)  | 
— | — | |||
| DNS | Leonardo CostaDNS | — (DNS h3)  | 
— | — | 
| Pos | Athlete(s) | Country | Mark | |
|---|---|---|---|---|
| 1 | Tai Ka Kin | 1:04.02 | ||
| 2 | Tang Kok Wai | 1:05.70 | ||
| 3 | Mohamed Al-Hamady | 1:08.79 | 
| Pos | Athlete(s) | Country | Mark | |
|---|---|---|---|---|
| 1 | Dionysios Papadakis | 59.25 | ||
| 2 | Fergus Kuek | 59.29 | ||
| 3 | Ku Lok | 59.74 | ||
| 4 | Harbeth Fu | 59.82 | ||
| 5 | Hung Chien-Chih | 59.92 | ||
| 6 | Carl Probert | 1:01.41 | 
| Pos | Athlete(s) | Country | Mark | |
|---|---|---|---|---|
| 1 | Tom Karlsen | 56.70 | ||
| 2 | Dean Kent | 57.20 | ||
| 3 | Jason Fox | 57.78 | ||
| 4 | Aleksandar Miladinovski | 57.99 | ||
| 5 | Thierry Wouters | 58.40 | ||
| 6 | Wan Azlan Abdullah | 59.62 | ||
| DQ | Philippe Demers | — | ||
| DNS | Leonardo CostaDNS | — | 
| Pos | Athlete(s) | Country | Mark | |
|---|---|---|---|---|
| 1 | Ouyang Kunpeng | 55.88 | ||
| 2 | Jan Víťazka | 55.92 | ||
| 3 | Rob Van der Zant | 56.13 | ||
| 4 | Nick Sheeran | 56.39 | ||
| 5 | Brian Johns | 56.88 | ||
| 6 | Robert Seibt | 56.93 | ||
| 7 | Martin Harris | 57.09 | ||
| 8 | Huang Chih-Yung | 1:00.83 | 
| Pos | Athlete(s) | Country | Mark | |
|---|---|---|---|---|
| 1 | Matt Dunn | 55.51 | ||
| 2 | Jakob Andersen | 55.91 | ||
| 3 | Chris-Carol Bremer | 56.90 | ||
| 4 | Lorenz Liechti | 56.92 | ||
| 5 | Stephan Baptista | 57.44 | ||
| =6 | Cédric Bavay | 57.52 | ||
| =6 | Mark Chay | 57.52 | ||
| DNS | Tamer ZinhomDNS | — | 
| Pos | Athlete(s) | Country | Mark | |
|---|---|---|---|---|
| 1 | Peter Mankoč | 55.06 | ||
| 2 | Nuno Laurentino | 55.52 | ||
| 3 | Jani Sievinen | 55.63 | ||
| 4 | Theo Verster | 55.90 | ||
| 5 | Zhang Xiao | 56.21 | ||
| 6 | Krešimir Čač | 56.78 | ||
| 7 | Oleg Pukhnaty | 56.91 | ||
| 8 | Simon Handley | 57.48 | 
| Pos | Athlete(s) | Country | Mark | |
|---|---|---|---|---|
| 1 | Matt Dunn | 55.05 | ||
| 2 | Jani Sievinen | 55.40 | ||
| 3 | Theo Verster | 55.51 | ||
| 4 | Zhang Xiao | 56.01 | ||
| 5 | Jan Víťazka | 56.13 | ||
| 6 | Brian Johns | 56.57 | ||
| 7 | Oleg Pukhnaty | 56.65 | ||
| 8 | Tom Karlsen | 56.83 | 
| Pos | Athlete(s) | Country | Mark | |
|---|---|---|---|---|
| 1 | Jakob Andersen | 55.13 | ||
| 2 | Peter Mankoč | 55.34 | ||
| 3 | Rob Van der Zant | 55.63 | ||
| 4 | Nuno Laurentino | 55.80 | ||
| 5 | Ouyang Kunpeng | 55.87 | ||
| 6 | Krešimir Čač | 56.28 | ||
| 7 | Chris-Carol Bremer | 56.79 | ||
| 8 | Nick Sheeran | 57.03 | 
| Pos | Athlete(s) | Country | Mark | |
|---|---|---|---|---|
| 1 | Jani Sievinen | 54.18 | ||
| 2 | Matt Dunn | 54.77 | ||
| 3 | Jakob Andersen | 55.05 | ||
| 4 | Peter Mankoč | 55.36 | ||
| 5 | Ouyang Kunpeng | 55.54 | ||
| 6 | Nuno Laurentino | 55.61 | ||
| 7 | Rob Van der Zant | 55.64 | ||
| 8 | Theo Verster | 55.72 |