The 5th FINA World Swimming Championships (25 m) were held at the Olympic Aquatic Centre in Athens, Greece from 16–19 March 2000. 15 world records were set.
Men's events
| Event | Gold | Silver | Bronze | |||
|---|---|---|---|---|---|---|
| 50 m freestyle | Mark Foster Great Britain | 21.58 | Brendon Dedekind South Africa | 21.62 | Stefan Nystrand Sweden | 21.80 |
| 100 m freestyle | Lars Frölander Sweden | 46.80 | Stefan Nystrand Sweden | 47.73 | Scott Tucker United States | 47.82 |
| 200 m freestyle | Bela Szabados Hungary | 1:45.27 | Massimiliano Rosolino Italy | 1:45.63 | Chad Carvin United States | 1:45.79 |
| 400 m freestyle | Chad Carvin United States | 3:41.13 | Paul Palmer Great Britain | 3:42.70 | Massimiliano Rosolino Italy | 3:43.68 |
| 1500 m freestyle | Jörg Hoffmann Germany | 14:47.57 | Igor Chervynskyi Ukraine | 14:48.20 | Chad Carvin United States | 14:51.23 |
| 50 m backstroke | Neil Walker United States | 23.99 | Lenny Krayzelburg United States | 24.24 | Rodolfo Falcón Cuba | 24.32 |
| 100 m backstroke | Neil Walker United States | 50.75 WR | Rodolfo Falcón Cuba | 52.87 | Derya Büyükuncu Turkey | 52.88 |
| 200 m backstroke | Gordan Kožulj Croatia | 1:53.31 | Brad Bridgewater United States | 1:53.87 | Volodymyr Nikolaychuk Ukraine | 1:55.33 |
| 50 m breaststroke | Mark Warnecke Germany | 27.22 | Brendon Dedekind South Africa | 27.27 | Oleg Lisogor Ukraine | 27.30 |
| 100 m breaststroke | Roman Sloudnov Russia | 58.57 | Zhu Yi China | 59.99 | Roman Ivanovsky Russia | 1:00.05 |
| 200 m breaststroke | Roman Sloudnov Russia | 2:07.59 WR | Terence Parkin South Africa | 2:07.91 | Andrei Ivanov Russia | 2:09.90 |
| 50 m butterfly | Mark Foster Great Britain | 23.30 | Neil Walker United States | 23.46 | Sabir Muhammad United States | 23.56 |
| 100 m butterfly | Lars Frölander Sweden | 50.44 WR | James Hickman Great Britain | 51.53 | Denys Sylantyev Ukraine | 51.84 |
| 200 m butterfly | James Hickman Great Britain | 1:53.57 | Shamek Pietucha.svg.png){kind=small} Canada | 1:54.27 | Anatoly Polyakov Russia | 1:54.47 |
| 100 m individual medley | Neil Walker United States | 52.79 WR | Jani Sievinen Finland | 54.08 | James Hickman Great Britain | 54.38 |
| 200 m individual medley | Jani Sievinen Finland | 1:56.27 | James Hickman Great Britain | 1:56.86 | Massimiliano Rosolino Italy | 1:58.05 |
| 400 m individual medley | Jani Sievinen Finland | 4:09.54 | Terence Parkin South Africa | 4:10.56 | Michael Halika Israel | 4:10.90 |
| 4×100 m freestyle relay | Sweden Johan Nyström Lars Frölander Mattias Ohlin Stefan Nystrand | 3:09.57 WR | United States Scott Tucker Josh Davis Sabir Muhammad Neil Walker | 3:10.98 | Germany Mitja Zastrow Stefan Herbst Christian Tröger Stephan Kunzelmann | 3:13.69 |
| 4×200 m freestyle relay | United States Josh Davis Neil Walker Scott Tucker Chad Carvin | 7:01.33 WR | Great Britain Edward Sinclair Marc Spackman Paul Palmer James Salter | 7:03.06 | Russia Denis Pimankov Anatoly Polyakov Dmitri Chernychev Andrey Kapralov | 7:05.24 |
| 4×100 m medley relay | United States Lenny Krayzelburg Jarrod Marrs Neil Walker Scott Tucker | 3:30.03 | Germany Sebastian Halgasch Björn Nowakowski Thomas Rupprath Stefan Herbst | 3:31.77 | Great Britain Neil Willey Darren Mew James Hickman Paul Belk | 3:32.08 |
Legend: WR: World record; CR: World Championships record
Women's events
| Event | Gold | Silver | Bronze | |||
|---|---|---|---|---|---|---|
| 50 m freestyle | Therese Alshammar Sweden | 23.59 WR | Sandra Völker Germany | 24.77 | Alison Sheppard Great Britain | 24.80 |
| 100 m freestyle | Therese Alshammar Sweden | 52.17 WR | Jenny Thompson United States | 53.14 | Martina Moravcová Slovakia | 53.88 |
| 200 m freestyle | Yang Yu China | 1:56.06 | Martina Moravcová Slovakia | 1:56.46 | Natalya Baranovskaya Belarus | 1:57.54 |
| 400 m freestyle | Lindsay Benko United States | 4:02.44 | Yana Klochkova Ukraine | 4:04.39 | Chen Hua China | 4:06.63 |
| 800 m freestyle | Chen Hua China | 8:17.03 | Brooke Bennett United States | 8:19.66 | Flavia Rigamonti Switzerland | 8:21.57 |
| 50 m backstroke | Antje Buschschulte Germany | 27.90 | Marylyn Chiang Canada | 28.03 | Kellie McMillan.svg.png){kind=small} Australia | 28.06 |
| 100 m backstroke | Sandra Völker Germany | 58.66 | Marylyn Chiang Canada | 59.33 | Antje Buschschulte Germany | 59.37 |
| 200 m backstroke | Antje Buschschulte Germany | 2:07.29 | Clementine Stoney Australia | 2:08.64 | Lindsay Benko United States | 2:08.85 |
| 50 m breaststroke | Sarah Poewe South Africa | 30.66 | Hao Ping China | 31.22 | Tara Kirk United States | 31.47 |
| 100 m breaststroke | Sarah Poewe South Africa | 1:06.21 | Alicja Pęczak Poland | 1:07.69 | Yelena Bogomazova Russia | 1:08.27 |
| 200 m breaststroke | Rebecca Brown Australia | 2:23.41 | Alicja Pęczak Poland | 2:24.24 | Brooke Hanson Australia | 2:25.30 |
| 50 m butterfly | Jenny Thompson United States | 26.13 | Anna-Karin Kammerling Sweden | 26.16 | Nicola Jackson Great Britain | 26.85 |
| 100 m butterfly | Jenny Thompson United States | 57.67 | Johanna Sjöberg Sweden | 57.96 | Karen Campbell United States | 58.86 |
| 200 m butterfly | Mette Jacobsen Denmark | 2:08.10 | Katrin Jaeke Germany | 2:09.42 | Otylia Jędrzejczak Poland | 2:09.61 |
| 100 m individual medley | Martina Moravcová Slovakia | 59.71 | Marianne Limpert Canada | 1:02.00 | Alenka Kejžar Slovenia | 1:02.24 |
| 200 m individual medley | Yana Klochkova Ukraine | 2:08.97 | Martina Moravcová Slovakia | 2:08.98 | Marianne Limpert Canada | 2:12.68 |
| 400 m individual medley | Yana Klochkova Ukraine | 4:32.45 | Nicole Hetzer Germany | 4:37.92 | Katie Jo Yevak United States | 4:38.80 |
| 4×100 m freestyle relay | Sweden Louise Jöhncke Therese Alshammar Anna-Karin Kammerling Johanna Sjöberg | 3:35.54 | Germany Katrin Meissner Antje Buschschulte Britta Steffen Sandra Völker | 3:37.31 | Great Britain Alison Sheppard Claire Huddart Karen Legg Karen Pickering | 3:37.93 |
| 4×200 m freestyle relay | Great Britain Claire Huddart Nicola Jackson Karen Legg Karen Pickering | 7:49.11 WR | United States Lindsay Benko Brooke Bennett Tammie Stone Jenny Thompson | 7:50.59 | China Sun Dan Yang Lina Li Jin Yang Yu | 7:52.70 |
| 4×100 m medley relay | Sweden Therese Alshammar Emma Igelström Johanna Sjöberg Anna-Karin Kammerling | 3:59.53 | Germany Sandra Völker Janne Schäfer Katrin Jäke Katrin Meissner | 4:01.47 | United States Jamie Reid Anita Nall Jenny Thompson Tammie Stone | 4:02.51 |
Legend: WR: World record; CR: World Championships record
Medal table
| Rank | Nation | Gold | Silver | Bronze | Total |
|---|---|---|---|---|---|
| 1 | United States (USA) | 9 | 8 | 8 | 25 |
| 2 | Sweden (SWE) | 7 | 3 | 1 | 11 |
| 3 | Germany (GER) | 5 | 6 | 2 | 13 |
| 4 | Great Britain (GBR) | 4 | 4 | 5 | 13 |
| 5 | South Africa (RSA) | 2 | 4 | 0 | 6 |
| 6 | Ukraine (UKR) | 2 | 2 | 3 | 7 |
| 7 | China (CHN) | 2 | 2 | 2 | 6 |
| 8 | Finland (FIN) | 2 | 1 | 0 | 3 |
| 9 | Russia (RUS) | 2 | 0 | 5 | 7 |
| 10 | Slovakia (SVK) | 1 | 2 | 1 | 4 |
| 11 | Australia (AUS) | 1 | 0 | 3 | 4 |
| 12 | Croatia (CRO) | 1 | 0 | 0 | 1 |
| Denmark (DEN) | 1 | 0 | 0 | 1 | |
| Hungary (HUN) | 1 | 0 | 0 | 1 | |
| 15 | Canada (CAN) | 0 | 4 | 1 | 5 |
| 16 | Poland (POL) | 0 | 2 | 1 | 3 |
| 17 | Italy (ITA) | 0 | 1 | 2 | 3 |
| 18 | Cuba (CUB) | 0 | 1 | 1 | 2 |
| 19 | Belarus (BLR) | 0 | 0 | 1 | 1 |
| Israel (ISR) | 0 | 0 | 1 | 1 | |
| Slovenia (SLO) | 0 | 0 | 1 | 1 | |
| Switzerland (SUI) | 0 | 0 | 1 | 1 | |
| Turkey (TUR) | 0 | 0 | 1 | 1 | |
| Totals (23 nations) | 40 | 40 | 40 | 120 | |