List of Americas records in swimming

The Americas records in swimming are the fastest times ever by a swimmer representing a country from the Americas, which are recognised and ratified by the Amateur Swimming Union of the Americas (UANA). These records should not be confused with the USA national records, typically referred to as the "American records", despite their similarities.

Americas

All records were set in finals unless noted otherwise.

Long course (50 m)

Men

Event	Time		Name	Nationality	Date	Meet	Location	Ref
50m freestyle	20.91	WR	César Cielo	Brazil	18 December 2009	Brazilian Championships	São Paulo, Brazil	[1][2]
100m freestyle	46.81	sf	Jack Alexy	United States	30 July 2025	World Championships	Singapore, Singapore	[3]
200m freestyle	1:42.96		Michael Phelps	United States	12 August 2008	Olympic Games	Beijing, China
400m freestyle	3:42.76		Guilherme Costa	Brazil	27 July 2024	Olympic Games	Paris, France	[4]
800m freestyle	7:38.67		Bobby Finke	United States	26 July 2023	World Championships	Fukuoka, Japan	[5]
1500m freestyle	14:30.67	WR	Bobby Finke	United States	4 August 2024	Olympic Games	Paris, France	[6]
50m backstroke	23.71		Hunter Armstrong	United States	28 April 2022	U.S. International Team Trials	Greensboro, United States	[7]
100m backstroke	51.85	r	Ryan Murphy	United States	13 August 2016	Olympic Games	Rio de Janeiro, Brazil	[8]
200m backstroke	1:51.92	WR	Aaron Peirsol	United States	31 July 2009	World Championships	Rome, Italy	[9]
50m breaststroke	26.33		Felipe Lima	Brazil	9 June 2019	Mare Nostrum	Monte Carlo, Monaco	[10]
100m breaststroke	58.14	sf	Michael Andrew	United States	13 June 2021	U.S. Olympic Trials	Omaha, United States	[11]
200m breaststroke	2:06.54		Matthew Fallon	United States	19 June 2024	U.S. Olympic Trials	Indianapolis, United States	[12]
50m butterfly	22.35		Caeleb Dressel	United States	22 July 2019	World Championships	Gwangju, South Korea	[13]
100m butterfly	49.45	WR	Caeleb Dressel	United States	31 July 2021	Olympic Games	Tokyo, Japan	[14]
200m butterfly	1:51.51		Michael Phelps	United States	29 July 2009	World Championships	Rome, Italy	[15][16]
200m individual medley	1:54.00	WR	Ryan Lochte	United States	28 July 2011	World Championships	Shanghai, China	[17][18]
400m individual medley	4:03.84		Michael Phelps	United States	10 August 2008	Olympic Games	Beijing, China	[19][20]
4×100m freestyle relay	3:08.24	WR	Michael Phelps  (47.51) Garrett Weber-Gale  (47.02) Cullen Jones  (47.65) Jason Lezak  (46.06)	United States	11 August 2008	Olympic Games	Beijing, China	[21][22]
4×200m freestyle relay	6:58.55	WR	Michael Phelps  (1:44.49) Ricky Berens  (1:44.13) David Walters  (1:45.47) Ryan Lochte  (1:44.46)	United States	31 July 2009	World Championships	Rome, Italy	[23][24]
4×100m medley relay	3:26.78	WR	Ryan Murphy  (52.31) Michael Andrew  (58.49) Caeleb Dressel  (49.03) Zach Apple  (46.95)	United States	1 August 2021	Olympic Games	Tokyo, Japan	[25]

Legend: # – Record awaiting ratification by UANA; WR – World record;
Records not set in finals: h – heat; sf – semifinal; r – relay 1st leg; rh – relay heat 1st leg; b – B final; † – en route to final mark; tt – time trial

Women

Event	Time		Name	Nationality	Date	Meet	Location	Ref
50 m freestyle	23.91	=	Kate Douglass	United States	18 February 2024	World Championships	Doha, Qatar	[26]
50 m freestyle	23.91	=	Gretchen Walsh	United States	7 June 2025	USA Championships	Indianapolis, United States	[27]
100 m freestyle	52.04		Simone Manuel	United States	26 July 2019	World Championships	Gwangju, South Korea	[28]
200 m freestyle	1:53.61		Allison Schmitt	United States	31 July 2012	Olympic Games	London, United Kingdom	[29]
400 m freestyle	3:54.18	WR	Summer McIntosh	Canada	7 June 2025	Canadian Trials	Victoria, Canada	[30]
800 m freestyle	8:04.12	WR	Katie Ledecky	United States	3 May 2025	TYR Pro Swim Series	Fort Lauderdale, United States	[31]
1500 m freestyle	15:20.48	WR	Katie Ledecky	United States	16 May 2018	Pro Swim Series	Indianapolis, United States	[32]
50m backstroke	26.97		Katharine Berkoff	United States	5 June 2025	USA Championships	Indianapolis, United States	[33]
100m backstroke	57.13	WR	Regan Smith	United States	18 June 2024	U.S. Olympic Trials	Indianapolis, United States	[34]
200m backstroke	2:03.35	sf	Regan Smith	United States	26 July 2019	World Championships	Gwangju, South Korea	[35]
50m breaststroke	29.40		Lilly King	United States	30 July 2017	World Championships	Budapest, Hungary	[36]
100m breaststroke	1:04.13	WR	Lilly King	United States	25 July 2017	World Championships	Budapest, Hungary	[37]
200m breaststroke	2:18.50		Kate Douglass	United States	1 August 2025	World Championships	Singapore, Singapore	[38]
50m butterfly	24.66		Gretchen Walsh	United States	4 June 2025	USA Championships	Indianapolis, United States	[39]
100m butterfly	54.60	WR	Gretchen Walsh	United States	3 May 2025	TYR Pro Swim Series	Fort Lauderdale, United States	[40]
200m butterfly	2:01.99		Summer McIntosh	Canada	31 July 2025	World Championships	Singapore, Singapore	[41]
200m individual medley	2:05.70	WR	Summer McIntosh	Canada	9 June 2025	Canadian Trials	Victoria, Canada	[42]
400m individual medley	4:23.65	WR	Summer McIntosh	Canada	11 June 2025	Canadian Trials	Victoria, Canada	[43]
4×100m freestyle relay	3:30.20		Kate Douglass  (52.98) Gretchen Walsh  (52.55) Torri Huske  (52.06) Simone Manuel  (52.61)	United States	27 July 2024	Olympic Games	Paris, France	[44]
4×200m freestyle relay	7:40.01		Claire Weinstein  (1:54.83) Anna Peplowski  (1:54.75) Erin Gemmell  (1:56.72) Katie Ledecky  (1:53.71)	United States	31 July 2025	World Championships	Singapore, Singapore	[45]
4×100m medley relay	3:49.34	WR	Regan Smith  (57.57) Kate Douglass  (1:04.27) Gretchen Walsh  (54.98) Torri Huske  (52.52)	United States	3 August 2025	World Championships	Singapore, Singapore	[46]

Legend: # – Record awaiting ratification by UANA; WR – World record; CR – Commonwealth record;
Records not set in finals: h – heat; sf – semifinal; r – relay 1st leg; rh – relay heat 1st leg; b – B final; † – en route to final mark; tt – time trial

Mixed relay

Event	Time		Name	Club	Date	Meet	Location	Ref
4×100 m freestyle relay	3:18.48	WR	Jack Alexy  (46.91) Patrick Sammon  (46.70) Kate Douglass  (52.43) Torri Huske  (52.44)	United States	2 August 2025	World Championships	Singapore, Singapore	[47]
4×100 m medley relay	3:37.43	WR	Ryan Murphy  (52.08) Nic Fink  (58.29) Gretchen Walsh  (55.18) Torri Huske  (51.88)	United States	3 August 2024	Olympic Games	Paris, France	[48]

Legend: # – Record awaiting ratification by UANA; WR – World record;
Records not set in finals: h – heat

Short course (25 m)

Men

Event	Time		Name	Nationality	Date	Meet	Location	Ref
50 m freestyle	19.90	sf, WR	Jordan Crooks	Cayman Islands	14 December 2024	World Championships	Budapest, Hungary	[49]
100 m freestyle	44.95	h	Jordan Crooks	Cayman Islands	11 December 2024	World Championships	Budapest, Hungary	[50]
200 m freestyle	1:38.61	WR	Luke Hobson	United States	15 December 2024	World Championships	Budapest, Hungary	[51]
400 m freestyle	3:34.38		Kieran Smith	United States	15 December 2022	World Championships	Melbourne, Australia	[52]
800 m freestyle	7:30.41		David Johnston	United States	24 August 2022	Australian Championships	Sydney, Australia	[53]
1500 m freestyle	14:19.29		Connor Jaeger	United States	12 December 2015	Duel in the Pool	Indianapolis, United States	[54]
50m backstroke	22.53		Ryan Murphy	United States	25 November 2021	International Swimming League	Eindhoven, Netherlands	[55]
100m backstroke	48.33	WR	Coleman Stewart	United States	29 August 2021	International Swimming League	Naples, Italy	[56]
200m backstroke	1:46.68		Ryan Lochte	United States	19 December 2010	World Championships	Dubai, United Arab Emirates	[57]
50m breaststroke	25.38		Nic Fink	United States	18 December 2022	World Championships	Melbourne, Australia	[58]
100m breaststroke	55.56		Nic Fink	United States	4 December 2021	International Swimming League	Eindhoven, Netherlands	[59]
200m breaststroke	2:01.60		Nic Fink	United States	16 December 2022	World Championships	Melbourne, Australia	[60]
50m butterfly	21.67	CR	Ilya Kharun	Canada	11 December 2024	World Championships	Budapest, Hungary	[61]
100m butterfly	47.78		Caeleb Dressel	United States	21 November 2020	International Swimming League	Budapest, Hungary	[62]
200m butterfly	1:48.24	CR	Ilya Kharun	Canada	12 December 2024	World Championships	Budapest, Hungary	[63]
100m individual medley	49.28	WR	Caeleb Dressel	United States	22 November 2020	International Swimming League	Budapest, Hungary	[64]
200m individual medley	1:49.51		Shaine Casas	United States	10 December 2024	World Championships	Budapest, Hungary	[65]
400m individual medley	3:55.50		Ryan Lochte	United States	16 December 2010	World Championships	Dubai, United Arab Emirates	[66]
4×50m freestyle relay	1:21.80	WR	Caeleb Dressel  (20.43) Ryan Held  (20.25) Jack Conger  (20.59) Michael Chadwick  (20.53)	United States	14 December 2018	World Championships	Hangzhou, China	[67]
4×100m freestyle relay	3:01.66	WR	Jack Alexy  (45.05) Luke Hobson  (45.18) Kieran Smith  (46.01) Chris Guiliano  (45.42)	United States	10 December 2024	World Championships	Budapest, Hungary	[68]
4×200m freestyle relay	6:40.51	WR	Luke Hobson  (1:38.91) Carson Foster  (1:40.77) Shaine Casas  (1:40.34) Kieran Smith  (1:40.49)	United States	13 December 2024	World Championships	Budapest, Hungary	[69]
4×50m medley relay	1:30.37		Ryan Murphy  (22.61) Nic Fink  (25.24) Shaine Casas  (22.13) Michael Andrew  (20.39)	United States	17 December 2022	World Championships	Melbourne, Australia	[70]
4×100m medley relay	3:18.98		Ryan Murphy  (48.96) Nic Fink  (54.88) Trenton Julian  (49.19) Kieran Smith  (45.95)	United States	18 December 2022	World Championships	Melbourne, Australia	[71]

Legend: # – Record awaiting ratification by UANA; WR – World record; CR – Commonwealth record;
Records not set in finals: h – heat; sf – semifinal; r – relay 1st leg; rh – relay heat 1st leg; b – B final; † – en route to final mark; tt – time trial

Women

Event	Time		Name	Nationality	Date	Meet	Location	Ref
50m freestyle	22.83	WR	Gretchen Walsh	United States	15 December 2024	World Championships	Budapest, Hungary	[72]
100m freestyle	50.31		Gretchen Walsh	United States	12 December 2024	World Championships	Budapest, Hungary	[73]
200m freestyle	1:51.49		Mary-Sophie Harvey	Canada	15 December 2024	World Championships	Budapest, Hungary	[74]
400m freestyle	3:50.25	WR	Summer McIntosh	Canada	10 December 2024	World Championships	Budapest, Hungary	[75]
800m freestyle	7:57.42	WR	Katie Ledecky	United States	5 November 2022	World Cup	Indianapolis, United States	[76]
1500m freestyle	15:08.24	WR	Katie Ledecky	United States	29 October 2022	World Cup	Toronto, Canada	[77]
50m backstroke	25.23	WR	Regan Smith	United States	13 December 2024	World Championships	Budapest, Hungary	[78]
100m backstroke	54.02	r, WR	Regan Smith	United States	15 December 2024	World Championships	Budapest, Hungary	[79]
200m backstroke	1:58.04	WR	Regan Smith	United States	15 December 2024	World Championships	Budapest, Hungary	[80]
50m breaststroke	28.56	CR	Alia Atkinson	Jamaica	6 October 2018	World Cup	Budapest, Hungary	[81]
100m breaststroke	1:02.36	=WR	Alia Atkinson	Jamaica	6 December 2014	World Championships	Doha, Qatar	[82]
100m breaststroke	1:02.36	=WR	Alia Atkinson	Jamaica	26 August 2016	World Cup	Chartres, France	[83]
200m breaststroke	2:12.50	WR	Kate Douglass	United States	13 December 2024	World Championships	Budapest, Hungary	[84]
50m butterfly	23.94	sf, WR	Gretchen Walsh	United States	10 December 2024	World Championships	Budapest, Hungary	[85]
100m butterfly	52.71	WR	Gretchen Walsh	United States	14 December 2024	World Championships	Budapest, Hungary	[86]
200m butterfly	1:59.32	WR	Summer McIntosh	Canada	12 December 2024	World Championships	Budapest, Hungary	[87]
100m individual medley	55.11	WR	Gretchen Walsh	United States	13 December 2024	World Championships	Budapest, Hungary	[88]
200m individual medley	2:01.63	WR	Kate Douglass	United States	10 December 2024	World Championships	Budapest, Hungary	[89]
400m individual medley	4:15.48	WR	Summer McIntosh	Canada	14 December 2024	World Championships	Budapest, Hungary	[90]
4×50m freestyle relay	1:33.89		Torri Huske  (24.08) Claire Curzan  (23.30) Erika Brown  (23.74) Kate Douglass  (22.77)	United States	15 December 2022	World Championships	Melbourne, Australia	[91]
4×100m freestyle relay	3:25.01	WR	Kate Douglass  (50.95) Katharine Berkoff  (51.38) Alex Shackell  (52.01) Gretchen Walsh  (50.67)	United States	10 December 2024	World Championships	Budapest, Hungary	[92]
4×200m freestyle relay	7:30.13	WR	Alex Walsh  (1:53.25) Paige Madden  (1:53.18) Katie Grimes  (1:53.39) Claire Weinstein  (1:50.31)	United States	12 December 2024	World Championships	Budapest, Hungary	[93]
4×50m medley relay	1:42.38		Olivia Smoliga  (25.97) Katie Meili  (29.29) Kelsi Dahlia  (24.02) Mallory Comerford  (23.10)	United States	12 December 2018	World Championships	Hangzhou, China	[94]
4×100m medley relay	3:40.41	WR	Regan Smith  (54.02) Lilly King  (1:03.02) Gretchen Walsh  (52.84) Kate Douglass  (50.53)	United States	15 December 2024	World Championships	Budapest, Hungary	[95]

Legend: # – Record awaiting ratification by UANA; WR – World record; CR – Commonwealth record;
Records not set in finals: h – heat; sf – semifinal; r – relay 1st leg; rh – relay heat 1st leg; b – B final; † – en route to final mark; tt – time trial

Mixed relay

Event	Time		Name	Nationality	Date	Meet	Location	Ref
4×50 m freestyle relay	1:27.89		Caeleb Dressel  (20.43) Ryan Held  (20.60) Mallory Comerford  (23.44) Kelsi Dahlia  (23.42)	United States	12 December 2018	World Championships	Hangzhou, China	[96]
4×50 m medley relay	1:35.15	WR	Ryan Murphy  (22.37) Nic Fink  (24.96) Kate Douglass  (24.09) Torri Huske  (23.73)	United States	14 December 2022	World Championships	Melbourne, Australia	[97]
4×100 m medley relay	3:30.55		Regan Smith  (54.19) Lilly King  (1:03.05) Dare Rose  (48.68) Jack Alexy  (44.63)	United States	14 December 2024	World Championships	Budapest, Hungary	[98]

Legend: # – Record awaiting ratification by UANA; WR – World record;
Records not set in finals: h – heat; † – en route to final mark