Olympians Who Set a World Record in Long Course Swimming (809)

Description

Records in this list are shown for current Olympic events only.

Athlete	Nation(s)	Sport(s)	Role(s)	Era	Notes
Zhang Lin	CHN	SWM	Olympics	2004—2008	800 m freestyle – 29 July 2009 - present: 7:32.12 (29 July 2009; Roma, ITA)
Zhang Yufei	CHN	SWM	Olympics / YOG	2014—2024	4×200 m freestyle relay – 29 July 2021 - 31 July 2022: 7:40.33 (29 July 2021; Tokyo, JPN); 4×100 m medley mixed relay – 1 October 2020 - 31 July 2021: 3:38.41 (1 October 2020; Qingdao, CHN)
Zhao Jing	CHN	SWM	Olympics	2008—2012	50 m backstroke – 9 April 2009 - 26 June 2009 and 30 July 2009 - 21 August 2018: 27.67 tied (9 April 2009; Shaoxing, CHN), 27.06 (30 July 2009; Roma, ITA); 4×100 m medley relay – 1 August 2009 - 4 August 2012: 3:52.19 (1 August 2009; Roma, ITA)
Nina Zhivanevskaya	RUS ESP EUN	SWM	Olympics	1992—2008	50 m backstroke – 8 April 2000 - 25 April 2000: 28.69 (8 April 2000; Madrid, ESP) (competed for Spain)
Zhu Qianwei	CHN	SWM	Olympics	2008—2012	4×200 m freestyle relay – 30 July 2009 - 25 July 2019: 7:42.08 (30 July 2009; Roma, ITA)
Kate Ziegler	USA	SWM	Olympics	2008—2012	1500 m freestyle – 17 June 2007 - 30 July 2013: 15:42.54 (17 June 2007; Mission Viejo, USA)
Gyula Zolyomy	HUN	SWM	Non-starter	1936	4×100 m freestyle relay – 15 August 1937 - 5 March 1938 and 14 July 1938 - 20 August 1938: 4:06.6 (15 August 1937; Budapest, HUN), 4:02.0 (14 July 1938; Budapest, HUN)
Zac Zorn	USA	SWM	Olympics	1968	100 m freestyle – 2 September 1968 - 19 October 1968: 52.6 tied (2 September 1968; Los Angeles, USA); 4×100 m freestyle relay – 28 August 1967 - 23 August 1970: 3:32.6 (28 August 1967; Tokyo, JPN), 3:32.5 (3 September 1968; Long Beach, USA), 3:31.7 (17 October 1968; Ciudad de México, MEX)
Anastasiya Zuyeva-Fesikova	ROC RUS	SWM	Olympics	2008—2020	50 m backstroke – 29 July 2009 - 30 July 2009: 27.38 (29 July 2009; Roma, ITA) (competed as Anastasiya Zuyeva); 100 m backstroke – 27 July 2009 - 28 July 2009: 58.48 (27 July 2009; Roma, ITA) (competed as Anastasiya Zuyeva)