There are two different kinds of swimming records in the United States and certified by USA Swimming:
Note: The American records should not be confused with the Americas records, which are the fastest times ever swum by a swimmer representing any country of the Americas.
An asterisk (*) indicates that this record has been achieved since the latest USA Swimming records publication. A plus (+) indicates that this record also is the current world record.
| Event | American Record (50 m) | U.S. Open Record (50 m) |
|---|---|---|
| freestyle | ||
| 50 free | 21.04 Caeleb Dressel (USA) 2019 World Championships July 27, 2019 / Gwangju, South Korea 21.04 [1] Caeleb Dressel (Gator Swim Club) 2020 US Olympic Trials June 20, 2021 / Omaha, Nebraska | 21.04 [2] Caeleb Dressel (Gator Swim Club) 2020 US Olympic Trials June 20, 2021 / Omaha, Nebraska |
| 100 free | 46.81 Jack Alexy (USA) 2025 World Championships (sf) July 30, 2025 / Singapore, Singapore | 46.99 Jack Alexy (California Aquatics) 2025 USA Championships (h) June 3, 2025 / Indianapolis, Indiana |
| 200 free | 1:42.96 [3] Michael Phelps (USA) 2008 Olympic Games August 12, 2008 / Beijing, China | 1:43.73 Luke Hobson (Longhorn Aquatics) 2025 USA Championships June 4, 2025 / Indianapolis, Indiana |
| 400 free | 3:42.78 [4] Larsen Jensen (USA) 2008 Olympic Games August 10, 2008 / Beijing, China | 3:43.33 Rex Maurer (Longhorn Aquatics) 2025 USA Championships June 6, 2025 / Indianapolis, Indiana |
| 800 free | 7:38.67 [5] Bobby Finke (USA) 2023 World Championships July 26, 2023 / Fukuoka, Japan | 7:40.34 Bobby Finke (Florida) 2023 USA Nationals July 1, 2023 / Indianapolis, Indiana |
| 1500 free | 14:30.67+ Bobby Finke (USA) 2024 Olympic Games August 4, 2024 / Paris, France | 14:40.28 Bobby Finke (Florida) 2024 United States Olympic trials June 23, 2024 / Indianapolis, Indiana |
| backstroke | American Record (50 m) | U.S. Open Record (50 m) |
| 50 back | 23.71 [6] Hunter Armstrong (Ohio State) 2022 USA International Team Trials April 28, 2022 / Greensboro, North Carolina | same |
| 100 back | 51.85 Ryan Murphy (USA) 2016 Olympic Games (r) August 13, 2016 / Rio de Janeiro, Brazil | 51.94 Aaron Peirsol (Longhorn Aquatics) 2009 USA Nationals July 8, 2009 / Indianapolis |
| 200 back | 1:51.92+ Aaron Peirsol (USA) 2009 World Championships July 31, 2009 / Rome, Italy | 1:53.08 Aaron Peirsol (Longhorn Aquatics) 2009 USA Nationals July 11, 2009 / Indianapolis |
| breaststroke | American Record (50 m) | U.S. Open Record (50 m) |
| 50 breast | 26.45 Nic Fink (USA) 2022 World Championships June 21, 2022 / Budapest, Hungary | 26.52 [7] Michael Andrew (MA Swim Academy) 2022 USA International Team Trials April 28, 2022 / Greensboro, North Carolina |
| 100 breast | 58.14 [8] Michael Andrew (Race Pace Club) 2020 US Olympic Trials (sf) June 13, 2021 / Omaha, Nebraska | same |
| 200 breast | 2:06.54 [9] Matthew Fallon (University of Pennsylvania) 2024 US Olympic Trials June 19, 2024 / Indianapolis, Indiana | same |
| butterfly | American Record (50 m) | U.S. Open Record (50 m) |
| 50 fly | 22.35 Caeleb Dressel (USA) 2019 World Championships July 22, 2019 / Gwangju, South Korea | 22.84 Caeleb Dressel (Gator Swim Club) 2022 USA International Team Trials April 27, 2022 / Greensboro, North Carolina |
| 100 fly | 49.45+ Caeleb Dressel (USA) 2020 Olympic Games July 31, 2021 / Tokyo, Japan | 49.76 [10] Caeleb Dressel (Gator Swim Club) 2020 US Olympic Trials (sf) June 18, 2021 / Omaha, Nebraska |
| 200 fly | 1:51.51 Michael Phelps (USA) 2009 World Championships July 29, 2009 / Rome, Italy | 1:52.20 Michael Phelps (Club Wolverine) 2008 US Olympic Trials July 2, 2008 / Omaha, Nebraska |
| individual medley | American Record (50 m) | U.S. Open Record (50 m) |
| 200 IM | 1:54.00 Ryan Lochte (USA) 2011 World Championships July 28, 2011 / Shanghai, China | 1:54.43 Ryan Lochte (USA) 2010 Pan Pacific Championships August 21, 2010 / Irvine, California |
| 400 IM | 4:03.84 Michael Phelps (USA) 2008 Olympic Games August 10, 2008 / Beijing, China | 4:05.25 Michael Phelps (Club Wolverine) 2008 US Olympic Trials June 29, 2008 / Omaha, Nebraska |
| relays | American Record (50 m) | U.S. Open Record (50 m) |
| 400 free relay | 3:08.24+ USA M. Phelps (47.51) G. Weber-Gale (47.02) C. Jones (47.65) J. Lezak (46.06) 2008 Olympic Games August 11, 2008 / Beijing, China | 3:11.74 USA M. Phelps (48.13) R. Lochte (47.98) J. Lezak (48.12) N. Adrian (47.51) 2010 Pan Pacific Championships August 19, 2010 / Irvine, California |
| 800 free relay | 6:58.55+ USA M. Phelps (1:44.49) R. Berens (1:44.13) D. Walters (1:45.47) R. Lochte (1:44.46) 2009 World Championships July 31, 2009 / Rome, Italy | 7:03.84 USA M. Phelps (1:45.62) P. Vanderkaay (1:46.46) R. Berens (1:46.49) R. Lochte (1:45.27) 2010 Pan Pacific Championships August 20, 2010 / Irvine, California |
| 400 medley relay | 3:26.78+ USA R. Murphy (52.31) M. Andrew (58.49) C. Dressel (49.03) Z. Apple (46.95) 2020 Olympic Games August 1, 2021 / Tokyo, Japan | 3:32.48 USA A. Peirsol (53.91) M. Gangloff (1:00.45) M. Phelps (50.58) N. Adrian (47.54) 2010 Pan Pacific Championships August 21, 2010 / Irvine, California |
| Event | American Record (50 m) | U.S. Open Record (50 m) |
|---|---|---|
| freestyle | ||
| 50 free | 23.91 [11] Kate Douglass (USA) 2024 World Championships February 18, 2024 / Doha, Qatar 23.91 Gretchen Walsh (New York Athletic Club) 2025 USA Championships June 7, 2025 / Indianapolis, Indiana | 23.91 Gretchen Walsh (New York Athletic Club) 2025 USA Championships June 7, 2025 / Indianapolis, Indiana |
| 100 free | 52.04 Simone Manuel (USA) 2019 World Championships July 26, 2019 / Gwangju, South Korea | 52.43 Torri Huske (Arlington Aquatic Club) 2025 USA Championships June 3, 2025 / Indianapolis, Indiana |
| 200 free | 1:53.61 [12] Allison Schmitt (USA) 2012 Olympic Games July 31, 2012 / London, UK | 1:54.13 2023 TYR Pro Swim Series March 3, 2023 / Fort Lauderdale, Florida |
| 400 free | 3:56.46 Katie Ledecky (USA) 2016 Olympic Games August 7, 2016 / Rio de Janeiro, Brazil | 3:56.81 Katie Ledecky (Florida) 2025 TYR Pro Swim Series May 1, 2025 / Fort Lauderdale, Florida |
| 800 free | 8:04.12+ Katie Ledecky (Gator Swim Club) 2025 TYR Pro Swim Series May 3, 2025 / Fort Lauderdale, Florida | same |
| 1500 free | 15:20.48+ Katie Ledecky (USA) 2018 TYR Pro Swim Series May 16, 2018 / Indianapolis, Indiana | same |
| backstroke | American Record (50 m) | U.S. Open Record (50 m) |
| 50 back | 26.97 Katharine Berkoff (NC State Wolfpack) 2025 USA Championships June 5, 2025 / Indianapolis, Indiana | same |
| 100 back | 57.13+ Regan Smith (Longhorn Aquatics) 2024 US Olympic Trials June 19, 2024 / Indianapolis, Indiana | same |
| 200 back | 2:03.35 Regan Smith (USA) 2019 World Championships (sf) July 26, 2019 / Gwangju, South Korea | 2:03.80 Regan Smith (Sun Devil) 2023 Phillips 66 National Championships June 28, 2023 / Indianapolis, Indiana |
| breaststroke | American Record (50 m) | U.S. Open Record (50 m) |
| 50 breast | 29.40 Lilly King (USA) 2017 World Championships July 30, 2017 / Budapest, Hungary | 29.62 Lilly King (Indiana University) 2018 TYR Pro Swim Series June 10, 2018 / Santa Clara, California |
| 100 breast | 1:04.13+ Lilly King (USA) 2017 World Championships July 25, 2017 / Budapest, Hungary | 1:04.45 Jessica Hardy (Trojan Swim Club) 2009 U.S. Open Championships August 7, 2009 / Federal Way, Washington |
| 200 breast | 2:18.50 Kate Douglass (USA) 2025 World Championships August 1, 2025 / Singapore, Singapore | 2:19.30 Kate Douglass (New York Aquatic Club) 2024 TYR Pro Swim Series January 13, 2024 / Knoxville, Tennessee |
| butterfly | American Record (50 m) | U.S. Open Record (50 m) |
| 50 fly | 24.66 Gretchen Walsh (New York Athletic Club) 2025 USA Championships June 4, 2025 / Indianapolis, Indiana | same |
| 100 fly | 54.60+ Gretchen Walsh (New York Athletic Club) 2025 TYR Pro Swim Series May 3, 2025 / Fort Lauderdale | same |
| 200 fly | 2:03.84 Regan Smith (USA) 2024 Olympic Games August 1, 2024 / Paris, France | 2:03.87 Regan Smith (Sun Devil) 2023 Sun Devil Open June 4, 2023 / Tempe, Arizona |
| individual medley | American Record (50 m) | U.S. Open Record (50 m) |
| 200 IM | 2:06.15 Ariana Kukors (USA) 2009 World Championships July 27, 2009 / Rome, Italy | 2:06.79 Kate Douglass (New York Aquatic Club) 2024 United States Olympic trials June 22, 2024 / Indianapolis, Indiana |
| 400 IM | 4:31.12 Katie Hoff (North Baltimore) 2008 US Olympic Trials June 29, 2008 / Omaha, Nebraska | 4:26.98 2025 TYR Pro Swim Series March 7, 2025 / Westmont, Illinois |
| relays | American Record (50 m) | U.S. Open Record (50 m) |
| 400 free relay | 3:30.20 USA K. Douglass (52.98) G. Walsh (52.55) T. Huske (52.06) S. Manuel (52.61) 2024 Olympic Games July 27, 2024 / Paris, France | 3:35.11 USA N. Coughlin (54.25) J. Hardy (53.43) A. Weir (53.85) D. Vollmer (53.58) 2010 Pan Pacific Championships August 21, 2010 / Irvine, California |
| 800 free relay | 7:40.01 USA C. Weinstein (1:54.83) A. Peplowski (1:54.75) E. Gemmell (1:56.72) K. Ledecky (1:53.71) 2025 World Championships July 31, 2025 / Singapore, Singapore | 7:51.21 USA D. Vollmer (1:58.05) M. Scroggy (1:57.89) K. Hoff (1:58.70) A. Schmitt (1:56.57) 2010 Pan Pacific Championships August 20, 2010 / Irvine, California |
| 400 medley relay | 3:49.34+ USA R. Smith (57.57) K. Douglass (1:04.27) G. Walsh (54.98) T. Huske (52.52) 2025 World Championships August 3, 2025 / Singapore, Singapore | 3:55.23 USA N. Coughlin (59.85) R.Soni (1:05.35) D. Vollmer (56.91) J. Hardy (53.12) 2010 Pan Pacific Championships August 22, 2010 / Irvine, California |
| Event | American Record (25 yd) | U.S. Open Record (25 yd) |
|---|---|---|
| freestyle | ||
| 50 free | 20.37 Gretchen Walsh (Virginia) 2024 NCAA Div. I Championships March 21, 2024 / Athens, Georgia 20.37 Gretchen Walsh (Virginia) 2025 NCAA Div. I Championships March 20, 2025 / Federal Way, Washington | same |
| 100 free | 44.71 Gretchen Walsh (Virginia) 2025 NCAA Div. I Championships March 22, 2025 / Federal Way, Washington | same |
| 200 free | 1:39.10 Missy Franklin (Cal) 2015 NCAA Div. I Championships March 20, 2015 / Greensboro, North Carolina | same |
| 500 free | 4:24.06 Katie Ledecky (Stanford) 2017 NCAA Div. I Championships March 16, 2017 / Indianapolis, Indiana | same |
| 1000 free | 8:59.65 Katie Ledecky (Nation's Capital) 2015 Nation's Capital Swim Club Invite December 13, 2015 / College Park, Maryland | same |
| 1650 free | 15:01.41 Katie Ledecky (Gator Swim Club) 2023 Florida Spring Senior Championships March 12, 2023 / Orlando, Florida | same |
| backstroke | American Record (25 yd) | U.S. Open Record (25 yd) |
| 100 back | 48.10 Gretchen Walsh (Virginia) 2024 ACC Championships February 23, 2024 / Greensboro, North Carolina | same |
| 200 back | 1:46.82 Claire Curzan (Virginia) 2025 NCAA Div. I Championships March 22, 2025 / Federal Way, Washington | same |
| breaststroke | American Record (25 yd) | U.S. Open Record (25 yd) |
| 100 breast | 55.73 [24] Lilly King (Indiana) 2019 NCAA Div. 1 Championships March 22, 2019 / Austin, Texas | same |
| 200 breast | 2:01.29 Kate Douglass (Virginia) 2023 NCAA Div. I Championships March 18, 2023 / Knoxville, Tennessee | same |
| butterfly | American Record (25 yd) | U.S. Open Record (25 yd) |
| 100 fly | 46.97 Gretchen Walsh (Virginia) 2025 NCAA Div. I Championships March 21, 2025 / Federal Way, Washington | same |
| 200 fly | 1:48.33 Regan Smith (Arizona State) Dual Meet Arizona State vs. NC State October 21, 2023 / Tempe, Arizona | same |
| individual medley | American Record (25 yd) | U.S. Open Record (25 yd) |
| 200 IM | 1:48.37 Kate Douglass (Virginia) 2023 NCAA Div. I Championships March 16, 2023 / Knoxville, Tennessee | same |
| 400 IM | 3:54.60 [25] Ella Eastin (Stanford) 2018 NCAA Div. I Championships March 16, 2018 / Columbus, Ohio | same |
| relays | American Record (25 yd) | U.S. Open Record (25 yd) |
| 200 free relay | 1:23.87 Virginia Cavaliers K. Douglass (20.95) G. Walsh (20.48) L. Cuomo (21.14) A. Walsh (21.30) 2023 ACC Championships February 15, 2023 / Greensboro, North Carolina | 1:23.63 Virginia Cavaliers G. Walsh (19.95) A. Walsh (20.82) M. Parker (21.31) 2024 ACC Championships February 21, 2024 / Greensboro, North Carolina |
| 400 free relay | 3:05.84 Virginia Cavaliers K. Douglass (46.37) A. Walsh (46.58) Maxine Parker (47.04) G. Walsh (45.85) 2023 NCAA Div. I Championships March 18, 2023 / Knoxville, Tennessee | same |
| 800 free relay | 6:45.91 Stanford Cardinal S. Manuel (1:41.41) L. Neal (1:42.15) E. Eastin (1:41.89) K. Ledecky (1:40.46) 2017 NCAA Div. I Championships March 15, 2017 / Indianapolis, Indiana | 6:44.13 Virginia Cavaliers G. Walsh (1:39.34) A. Walsh (1:41.87) C. Curzan (1:40.89) 2025 ACC Championships February 18, 2025 / Greensboro, North Carolina |
| 200 medley relay | 1:31.10 Virginia Cavaliers C. Curzan (23.17) A. Walsh (25.62) G. Walsh (20.88) M. Parker (21.43) 2025 NCAA Div. I Championships 19 March 2025 / Federal Way, Washington | same |
| 400 medley relay | 3:19.58 Virginia Cavaliers C. Curzan (49.35) A. Walsh (57.05) G. Walsh (47.00) A. Moesch (46.18) 2025 ACC Championships February 21, 2025 / Greensboro, North Carolina | same |