List of United States records in swimming

There are two different kinds of swimming records in the United States and certified by USA Swimming:

• American record: the fastest time by an American swimmer. ^a
• U.S. Open record: the fastest time within the United States. ^b

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.

Long course (50 m)

Men

Event	American Record (50 m)	U.S. Open Record (50 m)
freestyle
50 free	21.04 [1] Caeleb Dressel (USA) 2019 World Championships July 27, 2019 / Gwangju, South Korea 21.04 [2] 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 [3] Jack Alexy (USA) 2025 World Championships (sf) July 30, 2025 / Singapore, Singapore	46.99 [4] Jack Alexy (California Aquatics) 2025 USA Championships (p) June 3, 2025 / Indianapolis, Indiana
200 free	1:42.96 [5] Michael Phelps (USA) 2008 Olympic Games August 12, 2008 / Beijing, China	1:43.73 [6] Luke Hobson (Longhorn Aquatics) 2025 USA Championships June 4, 2025 / Indianapolis, Indiana
400 free	3:42.78 [7] Larsen Jensen (USA) 2008 Olympic Games August 10, 2008 / Beijing, China	3:43.33 [8] Rex Maurer (Longhorn Aquatics) 2025 USA Championships June 6, 2025 / Indianapolis, Indiana
800 free	7:38.67 [9] Bobby Finke (USA) 2023 World Championships July 26, 2023 / Fukuoka, Japan	7:40.34 [10] Bobby Finke (Florida) 2023 USA Championships July 1, 2023 / Indianapolis, Indiana
1500 free	14:30.67+ [11] Bobby Finke (USA) 2024 Olympic Games August 4, 2024 / Paris, France	14:40.28 [12] Bobby Finke (Florida) 2024 US Olympic Trials June 23, 2024 / Indianapolis, Indiana
backstroke	American Record (50 m)	U.S. Open Record (50 m)
50 back	23.71 [13] Hunter Armstrong (Ohio State) 2022 USA International Team Trials April 28, 2022 / Greensboro, North Carolina	same
100 back	51.85 [14] Ryan Murphy (USA) 2016 Olympic Games (r) August 13, 2016 / Rio de Janeiro, Brazil	51.94 [15] Aaron Peirsol (Longhorn Aquatics) 2009 USA Championships July 8, 2009 / Indianapolis
200 back	1:51.92+ [16] Aaron Peirsol (USA) 2009 World Championships July 31, 2009 / Rome, Italy	1:53.08 [17] Aaron Peirsol (Longhorn Aquatics) 2009 USA Championships July 11, 2009 / Indianapolis
breaststroke	American Record (50 m)	U.S. Open Record (50 m)
50 breast	26.45 [18] Nic Fink (USA) 2022 World Championships June 21, 2022 / Budapest, Hungary	26.52 [19] Michael Andrew (MA Swim Academy) 2022 USA International Team Trials April 28, 2022 / Greensboro, North Carolina
100 breast	58.14 [20] Michael Andrew (Race Pace Club) 2020 US Olympic Trials (sf) June 13, 2021 / Omaha, Nebraska	same
200 breast	2:06.54 [21] 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 [22] Caeleb Dressel (USA) 2019 World Championships July 22, 2019 / Gwangju, South Korea	22.84 [23] Caeleb Dressel (Gator Swim Club) 2022 USA International Team Trials April 27, 2022 / Greensboro, North Carolina
100 fly	49.45+ [24] Caeleb Dressel (USA) 2020 Olympic Games July 31, 2021 / Tokyo, Japan	49.76 [25] Caeleb Dressel (Gator Swim Club) 2020 US Olympic Trials (sf) June 18, 2021 / Omaha, Nebraska
200 fly	1:51.51 [26] Michael Phelps (USA) 2009 World Championships July 29, 2009 / Rome, Italy	1:52.20 [27] 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 [28] Ryan Lochte (USA) 2011 World Championships July 28, 2011 / Shanghai, China	1:54.43 [29] Ryan Lochte (USA) 2010 Pan Pacific Championships August 21, 2010 / Irvine, California
400 IM	4:03.84 [7] Michael Phelps (USA) 2008 Olympic Games August 10, 2008 / Beijing, China	4:05.25 [30] 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+ [31] USA Michael Phelps (47.51) Garrett Weber-Gale (47.02) Cullen Jones (47.65) Jason Lezak (46.06) 2008 Olympic Games August 11, 2008 / Beijing, China	3:11.74 [32] USA Michael Phelps (48.13) Ryan Lochte (47.98) Jason Lezak (48.12) Nathan Adrian (47.51) 2010 Pan Pacific Championships August 19, 2010 / Irvine, California
800 free relay	6:58.55+ [33] USA Michael Phelps (1:44.49) Ricky Berens (1:44.13) David Walters (1:45.47) Ryan Lochte (1:44.46) 2009 World Championships July 31, 2009 / Rome, Italy	7:03.84 [34] USA Michael Phelps (1:45.62) Peter Vanderkaay (1:46.46) Ricky Berens (1:46.49) Ryan Lochte (1:45.27) 2010 Pan Pacific Championships August 20, 2010 / Irvine, California
400 medley relay	3:26.78+ [35] USA Ryan Murphy (52.31) Michael Andrew (58.49) Caeleb Dressel (49.03) Zach Apple (46.95) 2020 Olympic Games August 1, 2021 / Tokyo, Japan	3:32.48 [36] USA Aaron Peirsol (53.91) Mark Gangloff (1:00.45) Michael Phelps (50.58) Nathan Adrian (47.54) 2010 Pan Pacific Championships August 21, 2010 / Irvine, California

Women

Event	American Record (50 m)	U.S. Open Record (50 m)
freestyle
50 free	23.91 [37] Kate Douglass (USA) 2024 World Championships February 18, 2024 / Doha, Qatar 23.91 [38] Gretchen Walsh (New York Athletic Club) 2025 USA Championships June 7, 2025 / Indianapolis, Indiana	23.91 [38] Gretchen Walsh (New York Athletic Club) 2025 USA Championships June 7, 2025 / Indianapolis, Indiana
100 free	52.04 [39] 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 [40] Allison Schmitt (USA) 2012 Olympic Games July 31, 2012 / London, UK	1:54.13 Summer McIntosh (Canada) 2023 TYR Pro Swim Series March 3, 2023 / Fort Lauderdale, Florida
400 free	3:56.46 [41] Katie Ledecky (USA) 2016 Olympic Games August 7, 2016 / Rio de Janeiro, Brazil	3:55.37 [42] Summer McIntosh (Longhorn Aquatics) 2025 U.S. Open December 4, 2025 / Austin, Texas
800 free	8:04.12+ [43] Katie Ledecky (Gator Swim Club) 2025 TYR Pro Swim Series May 3, 2025 / Fort Lauderdale, Florida	same
1500 free	15:20.48+ [44] 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 [45] Katharine Berkoff (NC State Wolfpack) 2025 USA Championships June 5, 2025 / Indianapolis, Indiana	same
100 back	57.13+ [46] Regan Smith (Longhorn Aquatics) 2024 US Olympic Trials June 19, 2024 / Indianapolis, Indiana	same
200 back	2:03.35 [47] Regan Smith (USA) 2019 World Championships (sf) July 26, 2019 / Gwangju, South Korea	2:03.80 [48] Regan Smith (Sun Devil) 2023 USA Championships June 28, 2023 / Indianapolis, Indiana
breaststroke	American Record (50 m)	U.S. Open Record (50 m)
50 breast	29.40 [49] Lilly King (USA) 2017 World Championships July 30, 2017 / Budapest, Hungary	29.62 [50] Lilly King (Indiana University) 2018 TYR Pro Swim Series June 10, 2018 / Santa Clara, California
100 breast	1:04.13+ [51] Lilly King (USA) 2017 World Championships July 25, 2017 / Budapest, Hungary	1:04.45 [52] Jessica Hardy (Trojan Swim Club) 2009 U.S. Open Championships August 7, 2009 / Federal Way, Washington
200 breast	2:18.50 [53] Kate Douglass (USA) 2025 World Championships August 1, 2025 / Singapore, Singapore	2:19.30 [54] 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 [55] Gretchen Walsh (New York Athletic Club) 2025 USA Championships June 4, 2025 / Indianapolis, Indiana	same
100 fly	54.60+ [56] Gretchen Walsh (New York Athletic Club) 2025 TYR Pro Swim Series May 3, 2025 / Fort Lauderdale	same
200 fly	2:03.84 [57] Regan Smith (USA) 2024 Olympic Games August 1, 2024 / Paris, France	2:02.62 [58] Summer McIntosh (Longhorn Aquatics) 2025 U.S. Open December 6, 2025 / Austin, Texas
individual medley	American Record (50 m)	U.S. Open Record (50 m)
200 IM	2:06.15 [59] Ariana Kukors (USA) 2009 World Championships July 27, 2009 / Rome, Italy	2:06.79 [60] Kate Douglass (New York Aquatic Club) 2024 US Olympic Trials June 22, 2024 / Indianapolis, Indiana
400 IM	4:31.12 [61] Katie Hoff (North Baltimore) 2008 US Olympic Trials June 29, 2008 / Omaha, Nebraska	4:26.98 [62] Summer McIntosh (Canada) 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 [63] USA Kate Douglass (52.98) Gretchen Walsh (52.55) Torri Huske (52.06) Simone Manuel (52.61) 2024 Olympic Games July 27, 2024 / Paris, France	3:35.11 USA Natalie Coughlin (54.25) Jessica Hardy (53.43) Amanda Weir (53.85) Dana Vollmer (53.58) 2010 Pan Pacific Championships August 21, 2010 / Irvine, California
800 free relay	7:40.01 [64] USA Claire Weinstein (1:54.83) Anna Peplowski (1:54.75) Erin Gemmell (1:56.72) Katie Ledecky (1:53.71) 2025 World Championships July 31, 2025 / Singapore, Singapore	7:51.21 USA Dana Vollmer (1:58.05) Morgan Scroggy (1:57.89) Katie Hoff (1:58.70) Allison Schmitt (1:56.57) 2010 Pan Pacific Championships August 20, 2010 / Irvine, California
400 medley relay	3:49.34+ [65] USA Regan Smith (57.57) Kate Douglass (1:04.27) Gretchen Walsh (54.98) Torri Huske (52.52) 2025 World Championships August 3, 2025 / Singapore, Singapore	3:55.23 USA Natalie Coughlin (59.85) Rebecca Soni (1:05.35) Dana Vollmer (56.91) Jessica Hardy (53.12) 2010 Pan Pacific Championships August 22, 2010 / Irvine, California

Short course meters (25 m)

Men

Event	American Record (25 m)	U.S. Open Record (25 m)
freestyle
50 free	20.16 [66] Caeleb Dressel  (Cali Condors) 2020 International Swimming League November 21, 2020 / Budapest, Hungary	20.24 [67] Caeleb Dressel  (Cali Condors) 2019 International Swimming League December 20, 2019 / Las Vegas, Nevada
100 free	45.05 [68] Jack Alexy (USA) 2024 World Championships (r) December 10, 2024 / Budapest, Hungary	45.22 [69] Caeleb Dressel  (Cali Condors) 2019 International Swimming League December 21, 2019 / Las Vegas, Nevada
200 free	1:38.61+ [70] Luke Hobson  (USA) 2024 World Championships December 15, 2024 / Budapest, Hungary	1:40.62 Luke Hobson  (USA) 2025 World Cup October 19, 2025 / Westmont, United States
400 free	3:34.38 [71] Kieran Smith  (USA) 2022 World Championships December 15, 2022 / Melbourne, Australia	3:35.99 Kieran Smith  (USA) 2022 FINA Swimming World Cup November 3, 2022 / Indianapolis, United States
800 free	7:30.41 [72] David Johnston  (USA) 2022 Australian Championships August 24, 2022 / Sydney, Australia	7:29.50 [73] Zalán Sárkány  (HUN) 2025 World Cup October 18, 2025 / Westmont, United States
1500 free	14:19.29 [74] Connor Jaeger  (USA) 2015 Duel in the Pool December 12, 2015 / Indianapolis, United States	same
backstroke	American Record (25 m)	U.S. Open Record (25 m)
50 back	22.53 [75] Ryan Murphy  (LA Current) 2021 International Swimming League November 25, 2021 / Eindhoven, Netherlands	22.65 Hubert Kós  (HUN) 2025 World Cup October 11, 2025 / Carmel, United States
100 back	48.33 Coleman Stewart  (Cali Condors) 2021 International Swimming League August 29, 2021 / Naples, Italy	48.78 [76] Hubert Kós  (HUN) 2025 World Cup October 19, 2025 / Westmont, United States
200 back	1:46.68 [77] Ryan Lochte  (USA) 2010 World Championships December 19, 2010 / Dubai, UAE	1:46.84 [78] Hubert Kós  (HUN) 2025 World Cup October 10, 2025 / Carmel, United States
breaststroke	American Record (25 m)	U.S. Open Record (25 m)
50 breast	25.38 Nic Fink  (USA) 2022 World Championships December 18, 2022 / Melbourne, Australia	25.52 Caspar Corbeau  (NED) 2025 World Cup October 18, 2025 / Westmont, United States
100 breast	55.56 [79] Nic Fink  (Cali Condors) 2021 International Swimming League December 4, 2021 / Eindhoven, Netherlands	55.92 Adam Peaty  (London Roar) 2019 International Swimming League December 21, 2019 / Las Vegas, Nevada
200 breast	2:01.60 Nic Fink  (USA) 2022 World Championships December 16, 2022 / Melbourne, Australia	2:01.63 Caspar Corbeau  (NED) 2025 World Cup October 12, 2025 / Carmel, United States
butterfly	American Record (25 m)	U.S. Open Record (25 m)
50 fly	21.99 [80] Tom Shields  (USA) 2021 FINA Swimming World Cup October 9, 2021 / Budapest, Hungary	21.69 Ilya Kharun  (CAN) 2025 World Cup October 19, 2025 / Westmont, United States
100 fly	47.78 Caeleb Dressel  (Cali Condors) 2020 International Swimming League November 21, 2020 / Budapest, Hungary	48.47 Noè Ponti  (SUI) 2025 World Cup October 17, 2025 / Westmont, United States
200 fly	1:48.66 Tom Shields  (LA Current) 2020 International Swimming League November 22, 2020 / Budapest, Hungary	1:48.46 Ilya Kharun  (CAN) 2025 World Cup October 18, 2025 / Westmont, United States
individual medley	American Record (25 m)	U.S. Open Record (25 m)
100 IM	49.28+ Caeleb Dressel  (Cali Condors) 2020 International Swimming League November 22, 2020 / Budapest, Hungary	50.45 Shaine Casas  (USA) 2025 World Cup October 17, 2025 / Westmont, United States
200 IM	1:49.43 Shaine Casas  (USA) 2025 World Cup October 11, 2025 / Carmel, United States	same
400 IM	3:55.50 Ryan Lochte  (USA) 2010 World Championships December 16, 2010 / Dubai, UAE	3:54.81+ Daiya Seto  (Energy Standard) 2019 International Swimming League December 20, 2019 / Las Vegas, Nevada
relays	American Record (25 m)	U.S. Open Record (25 m)
200 free relay	1:21.80 USA Caeleb Dressel (20.43) Ryan Held (20.25) Jack Conger (20.59) Michael Chadwick (20.53)   2018 World Championships December 14, 2018 / Hangzhou, China	1:23.75 Auburn Tigers George Bovell (21.40) Ryan Wochomurka (21.04) Derek Gibb (20.76) Frédérick Bousquet (20.55) 2004 Men's NCAA Division I Championships March 25, 2004 / East Meadow, New York
400 free relay	3:01.66+ [68] USA Jack Alexy (45.05) Luke Hobson (45.18) Kieran Smith (46.01) Chris Guiliano (45.42) 2024 World Championships December 10, 2024 / Budapest, Hungary	3:05.11 London Roar Cameron McEvoy (47.49) Kyle Chalmers (45.55) Yuri Kisil (46.68) Duncan Scott (45.39) 2019 International Swimming League December 20, 2019 / Las Vegas, Nevada
800 free relay	6:40.51+ [81] USA Luke Hobson (1:38.91) Carson Foster (1:40.77) Shaine Casas (1:40.34) Kieran Smith (1:40.49) 2024 World Championships December 13, 2024 / Budapest, Hungary	7:01.42 Michigan Wolverines Peter Vanderkaay (1:45.69) Davis Tarwater (1:45.61) Andrew Hurd (1:44.96) Dan Ketchum (1:45.16) 2004 Men's NCAA Division I Championships March 26, 2004 / East Meadow, New York
200 medley relay	1:30.37 USA Ryan Murphy (22.61) Nic Fink (25.24) Shaine Casas (22.13) Michael Andrew (20.39) 2022 World Championships December 17, 2022 / Melbourne, Australia	1:31.31   University of Florida Jonathon Marshall (23.34) Julian Smith (25.63) Joshua Liendo (21.43) Ed Fullum-Huot (20.91) Virginia vs. Florida Dual Meet October 18, 2024 / Charlottesville, Virginia
400 medley relay	3:18.98 USA Ryan Murphy (48.96) Nic Fink (54.88) Trenton Julian (49.19) Kieran Smith (45.95) 2022 World Championships December 18, 2022 / Melbourne, Australia	3:20.91 USA Matt Grevers (49.25) Kevin Cordes (58.03) Tom Shields (48.07) Nathan Adrian (45.56) 2015 Duel in the Pool December 12, 2015 / Indianapolis

Women

Event	American Record (25 m)	U.S. Open Record (25 m)
freestyle
50 free	22.83+ [82] Gretchen Walsh  (USA) 2024 World Championships December 15, 2024 / Budapest, Hungary	23.10 [83] Gretchen Walsh  (University of Virginia) Virginia vs. Florida Dual Meet October 18, 2024 / Charlottesville, Virginia
100 free	49.93+ [84] Kate Douglass  (USA) 2025 World Cup October 25, 2025 / Toronto, Canada	50.19 [85] Kate Douglass  (USA) 2025 World Cup October 19, 2025 / Westmont, United States
200 free	1:51.62 [86] Claire Weinstein  (USA) 2024 World Championships December 15, 2024 / Budapest, Hungary	1:49.77 [87] Mollie O'Callaghan  (AUS) 2025 World Cup October 18, 2025 / Westmont, United States
400 free	3:52.88 [88] Katie Ledecky  (USA) 2022 World Cup October 28, 2022 / Toronto, Canada	3:52.42 [89] Lani Pallister  (AUS) 2025 World Cup October 17, 2025 / Westmont, United States
800 free	7:57.42 [90] Katie Ledecky  (USA) 2022 World Cup November 5, 2022 / Indianapolis, United States	same
1500 free	15:08.24+ [91] Katie Ledecky  (USA) 2022 World Cup October 29, 2022 / Toronto, Canada	15:13.83 [92] Lani Pallister  (AUS) 2025 World Cup October 19, 2025 / Westmont, United States
backstroke	American Record (25 m)	U.S. Open Record (25 m)
50 back	25.23+ [93] Regan Smith  (USA) 2024 World Championships December 13, 2024 / Budapest, Hungary	25.37 [94] Gretchen Walsh  (University of Virginia) Virginia vs. Florida Dual Meet October 18, 2024 / Charlottesville, Virginia
100 back	54.02+ [95] Regan Smith  (USA) 2024 World Championships (r) December 15, 2024 / Budapest, Hungary 54.02+ [96] Regan Smith  (USA) 2025 World Cup October 18, 2025 / Westmont, United States	54.02+ [96] Regan Smith  (USA) 2025 World Cup October 18, 2025 / Westmont, United States
200 back	1:57.86 [97] Regan Smith  (USA) 2025 World Cup October 25, 2025 / Toronto, Canada	1:57.87 [98] Kaylee McKeown  (AUS) 2025 World Cup October 19, 2025 / Westmont, United States
breaststroke	American Record (25 m)	U.S. Open Record (25 m)
50 breast	28.77 [99] Lilly King  (Cali Condors) 2020 International Swimming League November 21, 2020 / Budapest, Hungary	28.70 [100] Rūta Meilutytė  (LTU) 2022 World Cup November 5, 2022 / Indianapolis, United States
100 breast	1:02.50 [101] Lilly King  (Cali Condors) 2020 International Swimming League November 22, 2020 / Budapest, Hungary	1:02.77 [102] Rūta Meilutytė  (LTU) 2022 World Cup November 4, 2022 / Indianapolis, United States
200 breast	2:12.50+ [103] Kate Douglass  (USA) 2024 World Championships December 13, 2024 / Budapest, Hungary	2:13.97 [104] Kate Douglass  (USA) 2025 World Cup October 10, 2025 / Carmel, United States
butterfly	American Record (25 m)	U.S. Open Record (25 m)
50 fly	23.72+ [105] Gretchen Walsh  (USA) 2025 World Cup October 11, 2025 / Carmel, United States	same
100 fly	52.71+ [106] Gretchen Walsh  (USA) 2024 World Championships December 14, 2024 / Budapest, Hungary	53.69 [107] Gretchen Walsh  (USA) 2025 World Cup October 12, 2025 / Carmel, United States
200 fly	2:00.20 [108] Regan Smith  (USA) 2025 World Cup October 17, 2025 / Westmont, United States	same
individual medley	American Record (25 m)	U.S. Open Record (25 m)
100 IM	55.11+ [109] Gretchen Walsh  (USA) 2024 World Championships December 13, 2024 / Budapest, Hungary	55.77 [110] Gretchen Walsh  (USA) 2025 World Cup October 17, 2025 / Westmont, United States
200 IM	2:01.63+ [111] Kate Douglass  (USA) 2024 World Championships December 10, 2024 / Budapest, Hungary	2:03.66 [112] Katinka Hosszú  (Team Europe) 2015 Duel in the Pool December 12, 2015 / Indianapolis
400 IM	4:20.14 [113] Katie Grimes  (USA) 2024 World Championships December 14, 2024 / Budapest, Hungary	4:21.21 [114] Katinka Hosszú  (Team Europe) 2015 Duel in the Pool December 11, 2015 / Indianapolis
relays	American Record (25 m)	U.S. Open Record (25 m)
200 free relay	1:33.89 USA Torri Huske (24.08) Claire Curzan (23.30) Erika Brown (23.74) Kate Douglass (22.77) 2022 World Championships December 15, 2022 / Melbourne, Australia	1:37.27 Georgia Bulldogs Kara Lynn Joyce (24.24) Neka Mabry (24.45) Paige Kearns (24.34) Andrea Georoff (24.24) 2004 NCAA Division I Championships March 18, 2004 / College Station, Texas
400 free relay	3:25.01+ [115] USA Kate Douglass (50.95) Katharine Berkoff (51.38) Alex Shackell (52.01) Gretchen Walsh (50.67) 2024 World Championships December 13, 2022 / Budapest, Hungary	3:26.48 Energy Standard Penny Oleksiak (52.89) Sarah Sjöström (51.41) Kayla Sanchez (51.56) Femke Heemskerk (50.62) 2019 International Swimming League December 20, 2019 / Las Vegas, Nevada
800 free relay	7:30.13+ USA Alex Walsh (1:53.25) Paige Madden (1:53.18) Katie Grimes (1:53.39) Claire Weinstein (1:50.31) 2024 World Championships December 12, 2024 / Budapest, Hungary	7:47.72 USA Dana Vollmer (1:57.83) Rachel Komisarz (1:57.87) Lindsay Benko (1:55.44) Kaitlin Sandeno (1:56.58) 2004 World Championships October 7, 2004 / Indianapolis
200 medley relay	1:42.38 USA Olivia Smoliga (25.97) Katie Meili (29.29) Kelsi Dahlia (24.02) Mallory Comerford (23.10) 2018 World Championships December 12, 2018 / Hangzhou, China	1:44.14 Virginia Cavaliers Gretchen Walsh (25.37) Zoe Skirboll (30.00) Claire Curzan (24.52) Maxine Parker (24.25) Virginia vs. Florida Dual Meet October 18, 2024 / Charlottesville, Virginia
400 medley relay	3:40.41+ [95] USA Regan Smith (54.02) Lilly King (1:03.02) Gretchen Walsh (52.84) Kate Douglass (50.53) 2024 World Championships December 15, 2024 / Budapest, Hungary	3:45.20 USA Courtney Bartholomew (56.08) Katie Meili (1:02.88) Kelsi Worrell (55.01) Simone Manuel (51.23) 2015 Duel in the Pool December 11, 2015 / Indianapolis

Short course yards (25 yd)

Men

Event	American Record (25 yd)	U.S. Open Record (25 yd)
freestyle
50 free	17.63 [116] Caeleb Dressel (Florida) 2018 NCAA Division I Championships March 22, 2018 / Minneapolis	same
100 free	39.90 [117] Caeleb Dressel (Florida) 2018 NCAA Division I Championships March 24, 2018 / Minneapolis	39.83 Jordan Crooks (Tennessee) 2025 NCAA Division I Championships (p) March 29, 2025 / Federal Way, Washington
200 free	1:28.33 Luke Hobson (Texas) 2025 NCAA Division I Championships March 29, 2025 / Federal Way, Washington	same
500 free	4:04.45 Rex Maurer (Texas) 2024 Texas Hall of Fame Invite November 20, 2024 / Austin, Texas	4:02.31 Léon Marchand (Arizona State) 2024 NCAA Division I Championships March 28, 2024 / Indianapolis, Indiana
1000 free	8:33.93 [118] Clark Smith (Texas) 2015 Texas Swimming & Diving Hall of Fame Invite December 6, 2015 / Austin, Texas	same
1650 free	14:12.08 [119] Bobby Finke (Florida) 2020 SEC Swimming & Diving Championships February 22, 2020 / Auburn, Alabama	same
backstroke	American Record (25 yd)	U.S. Open Record (25 yd)
100 back	43.26 Will Modglin (Texas) 2025 Texas Hall of Fame Invite (p) November 20, 2024 / Austin, Texas	43.20 Hubert Kos (Texas) 2025 NCAA Division I Championships March 28, 2025 / Federal Way, Washington
200 back	1:35.37 Destin Lasco (Cal) 2024 NCAA Division I Championships March 30, 2024 / Indianapolis, Indiana	1:34.21 Hubert Kos (Texas) 2025 NCAA Division I Championships March 29, 2025 / Federal Way, Washington
breaststroke	American Record (25 yd)	U.S. Open Record (25 yd)
100 breast	49.51 Julian Smith (Florida) 2025 SEC Championships February 21, 2025 / Athens, Georgia	same
200 breast	1:47.91 [120] Will Licon (Texas) 2017 NCAA Division I Championships March 25, 2017 / Indianapolis, Indiana	1:46.35 Léon Marchand (Arizona State) 2024 NCAA Division I Championships March 30, 2024 / Indianapolis
butterfly	American Record (25 yd)	U.S. Open Record (25 yd)
100 fly	42.80 [121] Caeleb Dressel (Florida) 2018 NCAA Division I Championships March 23, 2018 / Minneapolis	same
200 fly	1:36.41 Luca Urlando (Georgia) 2025 Georgia Fall Invitational November 21st, 2025 / Athens, Georgia	same
individual medley	American Record (25 yd)	U.S. Open Record (25 yd)
200 IM	1:37.91 Destin Lasco (Cal) 2024 NCAA Division I Championships March 28, 2024 / Indianapolis, Indiana	1:36.34 Léon Marchand (Arizona State) 2023 NCAA Division I Championships March 23, 2023 / Minneapolis
400 IM	3:33.42 Chase Kalisz (Georgia) 2017 NCAA Division I Championships March 24, 2017 / Indianapolis, Indiana	3:28.82 Léon Marchand (Arizona State) 2023 NCAA Division I Championships March 24, 2023 / Minneapolis
relays	American Record (25 yd)	U.S. Open Record (25 yd)
200 free relay	1:14.13 NC State Wolfpack Noah Henderson (18.93) Luke Miller (18.23) Jerry Fox (18.44) Quintin McCarty (18.53) 2024 NCAA Division I Championships March 28, 2024 / Indianapolis, Indiana	1:12.80 Tennessee Volunteers Jordan Crooks (17.96) Guilherme Caribé (18.04) Lamar Taylor (18.25) Nikoli Blackman (18.55) 2025 SEC Championships February 19, 2025 / Athens, Georgia
400 free relay	2:44.31 [122] NC State Wolfpack Ryan Held (41.05) Justin Ress (40.62) Jacob Molacek (41.02) Coleman Stewart (41.62) 2018 NCAA Division I Championships March 24, 2018 / Minneapolis	2:42.30 Tennessee Volunteers Guilherme Caribé (40.57) Lamar Taylor (41.02) Nikoli Blackman (41.35) Jordan Crooks (39.36) 2025 NCAA Division I Championships March 29, 2025 / Federal Way, Washington
800 free relay	6:00.08 Texas Longhorns Luke Hobson (1:28.90) Chris Guiliano (1:30.13) Rex Maurer (1:29.91) Coby Carrozza (1:31.14) 2025 NCAA Division I Championships March 26, 2025 / Federal Way, Washington	5:59.75 California Golden Bears Jack Alexy (1:30.02) Gabriel Jett (1:29.16) Destin Lasco (1:29.10) Lucas Henveaux (1:31.47) 2025 NCAA Division I Championships March 26, 2025 / Federal Way, Washington
200 medley relay	1:20.92 Indiana Hoosiers Luke Barr (20.65) Brian Benzing (22.65) Finn Brooks (19.49) Matt King (18.13) 2025 NCAA Division I Championships March 26, 2025 / Federal Way, Washington	1:20.15 Florida Gators Adam Chaney (20.29) Julian Smith (22.55) Joshua Liendo (18.97) Macguire McDuff (18.34) 2024 NCAA Division I Championships March 27, 2024 / Indianapolis, Indiana
400 medley relay	3:00.34 Texas Longhorns Will Modglin (43.78) Nate Germonprez (49.91) Garrett Gould (45.31) Camden Taylor (41.34) 2025 Texas Hall of Fame Invite November 20, 2024 / Austin, Texas	2:55.66 Florida Gators Jonny Marshall (43.91) Julian Smith (48.95) Joshua Liendo (42.12) Alex Painter (40.68) 2025 SEC Championships February 21, 2025 / Athens, Georgia

Women

Event	American Record (25 yd)	U.S. Open Record (25 yd)
freestyle
50 free	20.37 Gretchen Walsh (Virginia) 2024 NCAA Division I Championships March 21, 2024 / Athens, Georgia 20.37 Gretchen Walsh (Virginia) 2025 NCAA Division I Championships March 20, 2025 / Federal Way, Washington	same
100 free	44.71 Gretchen Walsh (Virginia) 2025 NCAA Division I Championships March 22, 2025 / Federal Way, Washington	same
200 free	1:39.10 Missy Franklin (Cal) 2015 NCAA Division I Championships March 20, 2015 / Greensboro, North Carolina	same
500 free	4:24.06 Katie Ledecky (Stanford) 2017 NCAA Division 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	14:59.62 Katie Ledecky (Gator Swim Club) 2025 Katie Ledecky Invitational December 14, 2025 / College Park, Maryland	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 Division I Championships March 22, 2025 / Federal Way, Washington	same
breaststroke	American Record (25 yd)	U.S. Open Record (25 yd)
100 breast	55.73 [123] Lilly King (Indiana) 2019 NCAA Division I Championships March 22, 2019 / Austin, Texas	same
200 breast	2:01.29 Kate Douglass (Virginia) 2023 NCAA Division 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 Division 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 Division I Championships March 16, 2023 / Knoxville, Tennessee	same
400 IM	3:54.60 [124] Ella Eastin (Stanford) 2018 NCAA Division 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 Kate Douglass (20.95) Gretchen Walsh (20.48) Lexi Cuomo (21.14) Alex Walsh (21.30) 2023 ACC Championships February 15, 2023 / Greensboro, North Carolina	1:23.63 Virginia Cavaliers Jasmine Nocentini (21.55) Gretchen Walsh (19.95) Alex Walsh (20.82) Maxine Parker (21.31) 2024 ACC Championships February 21, 2024 / Greensboro, North Carolina
400 free relay	3:05.84 Virginia Cavaliers K. Douglass (46.37) Alex Walsh (46.58) Maxine Parker (47.04) Gretchen Walsh (45.85) 2023 NCAA Division I Championships March 18, 2023 / Knoxville, Tennessee	same
800 free relay	6:45.91 Stanford Cardinal Simone Manuel (1:41.41) Lia Neal (1:42.15) Ella Eastin (1:41.89) Katie Ledecky (1:40.46) 2017 NCAA Division I Championships March 15, 2017 / Indianapolis, Indiana	6:44.13 Virginia Cavaliers Gretchen Walsh (1:39.34) Alex Walsh (1:41.87) Aimee Canny (1:42.03) Claire Curzan (1:40.89) 2025 ACC Championships February 18, 2025 / Greensboro, North Carolina
200 medley relay	1:31.10 Virginia Cavaliers Claire Curzan (23.17) Alex Walsh (25.62) Gretchen Walsh (20.88) Maxine Parker (21.43) 2025 NCAA Division I Championships 19 March 2025 / Federal Way, Washington	same
400 medley relay	3:19.58 Virginia Cavaliers Claire Curzan (49.35) Alex Walsh (57.05) Gretchen Walsh (47.00) Anna Moesch (46.18) 2025 ACC Championships February 21, 2025 / Greensboro, North Carolina	same

See also

• List of World records in swimming
• List of Americas records in swimming (continental records)

Notes

• ^a American Record — May be established only by United States Citizens who are also U.S. Sports Citizens who achieve an official time in accordance with USA Swimming rules. (USA Swimming Rules 104.2.2(A)(1)).
• ^b United States Open Record — May be established only within the geographical territory of the United States by any person eligible to compete under and achieving an official time in accordance with USA Swimming rules. (USA Swimming Rules 104.2.2(A)(2)). Prior to 1985, this record included the fastest time swum by any United States citizen anywhere, but from 1985-on U.S. Open Records may not be attained in this manner. However, any remaining old records are valid until they are bettered. (This record should not be confused with the U.S. Open Meet Record, which is the fastest time swum at the U.S. Open meet.)

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