2023 World Para Swimming Championships – Men's 50 metre backstroke

The applicable records entering the event were as follows:

Record	Swimmer	Time
World record	Hennadii Boiko	59.96
Championship record	Kamil Otowski	1:06.46

Final

The event took place on 5 Aug 2023 at 18:22 as a direct final. Five swimmers were entered, representing five nations.

Rank	Lane	Name	Nation	Result	Notes
	4	Kamil Otowski	Poland	1:07.34
	5	Iyad Shalabi	Israel	1:10.57
	6	Francesco Bettella	Italy	1:12.87
4	3	Anton Kol	Ukraine	1:12.97
5	2	Nikolaos Kontou	Greece	1:51.36

The applicable records entering the event were as follows:

Record	Swimmer	Time
World record	Liankang Zou	47.17
Championship record	Liankang Zou	48.62

Heats

The event took place on Aug 5 2023 at 9:57 a.m. Nine swimmers entered the event. the top eight, regardless of heat or placing, progressed to the final.[2]

Rank	Lane	Name	Nation	Result	Notes
1	4	Gabriel Araújo	Brazil	55.34	Q
2	4	Jacek Czech	Poland	57.62	Q
3	5	Roman Bondarenko	Ukraine	59.22	Q
4	5	Alberto Abarza	Chile	1:00.90	Q
5	3	C Tronco Sanchez	Mexico	1:09.11	Q
6	6	Rodrigo Santillan	Peru	1:10.00	Q
7	3	Jesus Rey Lopez	Mexico	1:10.72	Q
8	6	Conrad Hildebrand	Sweden	1:17.11	Q
9	2	Bruno Becker Da Silva	Brazil	1:41.60

Final

The event took place on 5 Aug 2023 at 18:16.

Rank	Lane	Name	Nation	Result	Notes
	4	Gabriel Araújo	Brazil	54.08
	5	Jacek Czech	Poland	57.44
	3	Roman Bondarenko	Ukraine	1:03.55
4	6	Alberto Abarza	Chile	1:04.54
5	2	C Tronco Sanchez	Mexico	1:04.88
6	7	Rodrigo Santillan	Peru	1:09.06
7	1	Jesus Rey Lopez	Mexico	1:10.03
8	8	Conrad Hildebrand	Sweden	1:18.91

The applicable records entering the event were as follows:

Record	Swimmer	Time
World record	Byeong-Eon Min	42.21
Championship record	Diego Lopez Diaz	43.47

Heats

The event took place on 3 Aug 2023 at 9:33 a.m.

Ten swimmers entered the event. The top eight, regardless of heat or placing, progressed to the final.[3]

Rank	Heat	Lane	Name	Nation	Result	Notes
1	1	4	Denys Ostapchenko	Ukraine	46.12	Q
2	2	4	Diego López Diaz	Mexico	48.98	Q
3	1	3	Serhii Palamarchuk	Ukraine	49.15	Q
3	2	5	Vincenzo Boni	Italy	49.15	Q
5	2	6	Umut Unlu	Turkey	50.09	Q
6	1	5	Daniel Ferrer Robles	Spain	51.83	Q
7	1	6	Ahmed Kelly	Australia	55.91	Q
8	2	2	M Zarate Rodriguez	Mexico	57.80	Q
9	1	2	P Larenas Albayay	Chile	59.33
	2	7	Charkorn Kaewsri	Thailand	DSQ

Final

The event took place on 3 Aug 2023 at 18:47.

Rank	Lane	Name	Nation	Result	Notes
	4	Denys Ostapchenko	Ukraine	45.95
	7	Daniel Ferrer Robles	Spain	48.70
	6	Vincenzo Boni	Italy	48.95
4	5	Diego López Diaz	Mexico	49.4
5	3	Serhii Palamarchuk	Ukraine	50.03
6	2	Umut Unlu	Turkey	50.36
7	1	Ahmed Kelly	Australia	55.92
8	8	M Zarate Rodriguez	Mexico	57.60

The applicable records entering the event were as follows:

Record	Swimmer	Time
World record	Roman Zhdanov	40.99
Championship record	Roman Zhdanov	41.50

Heats.

The event took place on 3 Aug 2023 at 9:51. Nine swimmers entered the competition. The top eight, regardless of heat or placing, progressed to the final.[4]

Rank	Heat	Lane	Name	Nation	Result	Notes
1	1	4	Cameron Leslie	New Zealand	43.44	Q
2	2	4	Arnost Petracek	Czech Republic	43.83	Q
3	2	5	Ángel Camacho	Mexico	44.14	Q
4	1	5	Matz Topkin	Estonia	44.54	Q
5	2	6	Andreas Ernhofer	Austria	47.10	Q
6	1	3	Dmytro Vynohradets'	Ukraine	47.19	Q
7	2	3	Hernande Hernandez	Mexico	47.28	Q
8	1	6	Nicolas Carlos Ricci	Argentina	51.56	Q
9	2	2	Ariel Malyar	Israel	51.57

Final

The event took place on 3 Aug 2023 at 18:57.

Rank	Lane	Athlete	Nation	Result	Notes
1	4	Cameron Leslie	New Zealand	42.67
2	3	Ángel Camacho	Mexico	43.17
3	5	Arnost Petracek	Czech Republic	43.54
4	6	Matz Topkin	Estonia	44.6
5	1	Hernande Hernandez	Mexico	47.72
6	2	Andreas Ernhofer	Austria	48.64
7	7	Dmytro Vynohradets'	Ukraine	50.53
8	8	Nicolas Carlos Ricci	Argentina	51.01

Heats[5]

Rank	Heat	Lane	Name	Nation	Result	Notes
1	2	4	Yuan Weiyi	China	33.49	Q
2	1	4	Guo Jincheng	China	33.73	Q
3	1	5	Yaroslav Semenenko	Ukraine	34.58	Q
4	2	5	Wang Lichao	China	35.01	Q
5	2	3	Samuel da Silva de Oliveira	Brazil	35.65	Q
6	2	6	Kaede Hinata	Japan	38.61	Q
7	1	3	Eigo Tanaka	Japan	39.54	Q
8	2	2	Siyazbek Daliyev	Kazakhstan	41.19	Q
9	1	6	Eakapan Songwichean	Thailand	42.77

Final[6]

Rank	Name	Nation	Result	Notes
	Yuan Weiyi	China	32.73
	Wang Lichao	China	32.72
	Guo Jincheng	China	33.72
4	Samuel da Silva	Brazil	35.02
5	Yaroslav Semenenko	Ukraine	35.05
6	Kaede Hinata	Japan	38.31
7	Eigo Tanaka	Japan	39.38
8	Siyazbek Daliyev	Kazakhstan	41.30