List of British records in swimming
Men
Legend: # – Record awaiting ratification by British Swimming; WR – World record; ER – European 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

List of British records in swimming

Section Title: Men
Table Section Text: Legend: # – Record awaiting ratification by British Swimming; WR – World record; ER – European 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

Event	Time	Name	Club	Date	Meet	Location	Ref

50m freestyle	21.11	sf, CR	Benjamin Proud	Great Britain	8 August 2018	European Championships	Glasgow, United Kingdom

100m freestyle	47.87	Duncan Scott	University of Stirling	18 April 2019	British Championships	Glasgow, United Kingdom

200m freestyle	1:45.14	James Guy	Great Britain	4 August 2015	World Championships	Kazan, Russia

400m freestyle	3:43.75	James Guy	Great Britain	2 August 2015	World Championships	Kazan, Russia

800m freestyle	7:44.32	David Davies	Great Britain	29 July 2009	World Championships	Rome, Italy

1500m freestyle	14:45.95	David Davies	Great Britain	21 August 2004	Olympic Games	Athens, Greece

50m backstroke	24.04	CR	Liam Tancock	Great Britain	2 August 2009	World Championships	Rome, Italy

100m backstroke	52.73	Liam Tancock	Great Britain	28 July 2009	World Championships	Rome, Italy

200m backstroke	1:55.58	James Goddard	England	6 October 2010	Commonwealth Games	Delhi, India

50m breaststroke	25.95	sf, WR	Adam Peaty	Great Britain	25 July 2017	World Championships	Budapest, Hungary

100m breaststroke	57.10	WR	Adam Peaty	Great Britain	4 August 2018	European Championships	Glasgow, United Kingdom

200m breaststroke	2:07.30	Ross Murdoch	Scotland	24 July 2014	Commonwealth Games	Glasgow, United Kingdom

50m butterfly	22.75	Ben Proud	Plymouth Leander	24 July 2017	World Championships	Budapest, Hungary

100m butterfly	50.67	sf	James Guy	Great Britain	28 July 2017	World Championships	Budapest, Hungary

200m butterfly	1:54.58	sf	Michael Rock	Great Britain	28 July 2009	World Championships	Rome, Italy

200m individual medley	1:56.64	h	Max Litchfield	Great Britain	26 July 2017	World Championships	Budapest, Hungary

400m individual medley	4:09.62	CR	Max Litchfield	Great Britain	30 July 2017	World Championships	Budapest, Hungary

4×100m freestyle relay	3:11.62	h	(49.01)Adam Brown (47.57)Simon Burnett (47.74)Liam Tancock (47.30)Ross Davenport	Great Britain	26 July 2009	World Championships	Rome, Italy

4×200m freestyle relay	7:01.70	(1:47.25)Stephen Milne (1:46.05)Nicholas Grainger (1:44.60)Duncan Scott (1:43.80)James Guy	Great Britain	28 July 2017	World Championships	Budapest, Hungary

4×100m medley relay	3:28.95	(54.20)Chris Walker-Hebborn (56.91)Adam Peaty (50.80)James Guy (47.04)Duncan Scott	Great Britain	30 July 2017	World Championships	Budapest, Hungary

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