World Records

Long course · 50m

Individual events

MenWomen

50m Freestyle

Men

Mar 20, 2026 · Shenzhen, China

Women

Aug 15, 2026 · Irvine, United States

100m Freestyle

Men

Jul 31, 2024 · Paris, France

Women

Marrit Steenbergen

Jun 27, 2026 · Rome, Italy

200m Freestyle

Men

Paul Biedermann

Jul 25, 2009 · Rome, Italy

Women

Jun 12, 2024 · Brisbane, Australia

400m Freestyle

Men

Apr 12, 2025 · Stockholm, Sweden

Women

Summer McIntosh

Jun 7, 2025 · Victoria, Canada

800m Freestyle

Men

Jul 29, 2009 · Rome, Italy

Women

May 3, 2025 · Fort Lauderdale, United States

1500m Freestyle

Men

Johannes Liebmann

Aug 15, 2026 · Paris, France

Women

May 16, 2018 · Indianapolis, United States

50m Backstroke

Men

Kliment Kolesnikov

Jul 27, 2023 · Kazan, Russia

Women

Aug 13, 2026 · Paris, France

100m Backstroke

Men

Jun 20, 2022 · Budapest, Hungary

Women

Jun 18, 2024 · Indianapolis, United States

200m Backstroke

Men

Jul 31, 2009 · Rome, Italy

Women

Mar 10, 2023 · Sydney, Australia

50m Breaststroke

Men

Jul 25, 2017 · Budapest, Hungary

Women

Rūta Meilutytė

Jul 30, 2023 · Fukuoka, Japan

100m Breaststroke

Men

Jul 21, 2019 · Gwangju, South Korea

Women

Jul 25, 2017 · Budapest, Hungary

200m Breaststroke

Men

Jul 27, 2023 · Fukuoka, Japan

Women

Evgeniia Chikunova

Apr 21, 2023 · Kazan, Russia

50m Butterfly

Men

Jul 1, 2018 · Rome, Italy

Women

Sarah Sjöström

Jul 5, 2014 · Borås, Sweden

100m Butterfly

Men

Jul 31, 2021 · Tokyo, Japan

Women

May 2, 2026 · Fort Lauderdale, United States

200m Butterfly

Men

Kristóf Milák

Jun 21, 2022 · Budapest, Hungary

Women

Summer McIntosh

Jul 5, 2026 · Montreal, Canada

200m Individual Medley

Men

Jul 30, 2025 · Singapore

Women

Summer McIntosh

Jun 9, 2025 · Victoria, Canada

400m Individual Medley

Men

Jul 23, 2023 · Fukuoka, Japan

Women

Summer McIntosh

Jun 11, 2025 · Victoria, Canada

Relays

MenWomen

4×100m Freestyle Relay

Men

Michael Phelps (47.51) Garrett Weber-Gale (47.02) Cullen Jones (47.65) Jason Lezak (46.06)

Aug 11, 2008 · Beijing, China

Women

Mollie O'Callaghan (52.08) Shayna Jack (51.69) Meg Harris (52.29) Emma McKeon (51.90)

Jul 23, 2023 · Fukuoka, Japan

4×200m Freestyle Relay

Men

Michael Phelps (1:44.49) Ricky Berens (1:44.13) David Walters (1:45.47) Ryan Lochte (1:44.46)

Jul 31, 2009 · Rome, Italy

Women

Mollie O'Callaghan (1:53.66) Shayna Jack (1:55.63) Brianna Throssell (1:55.80) Ariarne Titmus (1:52.41)

Jul 27, 2023 · Fukuoka, Japan

4×100m Medley Relay

Men

Ryan Murphy (52.31) Michael Andrew (58.49) Caeleb Dressel (49.03) Zach Apple (46.95)

Aug 1, 2021 · Tokyo, Japan

Women

Regan Smith (57.57) Kate Douglass (1:04.27) Gretchen Walsh (54.98) Torri Huske (52.52)

Aug 3, 2025 · Singapore, Singapore

Mixed relays

4×100m Medley Relay

Ryan Murphy (52.08) Nic Fink (58.29) Gretchen Walsh (55.18) Torri Huske (51.88)

Aug 3, 2024 · Paris, France