Swimming at the 2020 Summer Paralympics – Men's 50 metre freestyle

The S3 category is for swimmers who have leg or arm amputations, have severe coordination problems in their limbs, or have to swim with their arms but don't use their trunk or legs.

The final in this classification took place on 2 September 2021:

Rank	Lane	Name	Nationality	Time	Notes
	3	Diego López Díaz	Mexico	44.66
	2	Zou Liankang	China	45.25
	5	Denys Ostapchenko	Ukraine	45.95
4	6	Jesús Hernández Hernández	Mexico	46.19
5	4	Josia Topf	Germany	47.09
6	7	Serhii Palamarchuk	Ukraine	47.61
7	1	Vincenzo Boni	Italy	47.68
8	8	Miguel Angel Martinez Tajuelo	Spain	54.99

The S4 category is for swimmers who have function in their hands and arms but can't use their trunk or legs to swim, or they have three amputated limbs.

The final in this classification took place on 2 September 2021:

Rank	Lane	Name	Nationality	Time	Notes
	5	Ami Omer Dadaon	Israel	37.21	PR
	4	Takayuki Suzuki	Japan	37.70
	3	Luigi Beggiato	Italy	38.12
4	6	Ángel de Jesús Camacho Ramírez	Mexico	39.37
5	2	Liu Benying	China	39.98
6	8	Eric Tobera	Brazil	41.46
7	7	Ariel Malyar	Israel	41.70
	1	Arnošt Petráček	Czech Republic	DSQ

The S5 category is for swimmers who have hemiplegia, paraplegia or short stature.

The final in this classification took place on 1 September 2021:

Rank	Lane	Name	Nationality	Time	Notes
	5	Zheng Tao	China	30.31	PR, AS
	4	Yuan Weiyi	China	31.11
	6	Wang Lichao	China	31.35
4	3	Daniel de Faria Dias	Brazil	32.12
5	2	Muhammad Nur Syaiful Zulkafli	Malaysia	32.82
6	1	Yaroslav Semenenko	Ukraine	33.11
7	7	Francesco Bocciardo	Italy	33.22
8	8	Sebastian Rodriguez	Spain	35.51

The S7 category is for swimmers who have one leg and one arm amputation on opposite side or paralysis on one side of their body. These swimmers have full control of their arms and trunk but variable function in their legs.

The final in this classification took place on 31 August 2021:

Rank	Lane	Name	Nationality	Time	Notes
	4	Andrii Trusov	Ukraine	27.43
	7	Carlos Serrano Zarate	Colombia	27.84	=AM
	3	Yevhenii Bohodaiko	Ukraine	27.99
4	5	Egor Efrosinin	RPC	28.31
5	6	Matthew Levy	Australia	28.39
6	2	Mark Malyar	Israel	28.49
7	8	Wei Soong Toh	Singapore	28.65
8	1	Federico Bicelli	Italy	28.77

The S9 category is for swimmers who have joint restrictions in one leg or double below-the-knee amputations.

The final in this classification took place on 29 August 2021:

Rank	Lane	Name	Nationality	Time	Notes
	4	Simone Barlaam	Italy	24.71	PR
	5	Denis Tarasov	RPC	24.99
	6	Jamal Hill	United States	25.19	AM
4	3	William Martin	Australia	25.34
5	2	Fredrik Solberg	Norway	25.53
6	7	Bogdan Mozgovoi	RPC	25.56
7	1	Timothy Disken	Australia	25.71
8	8	Yahor Shchalkanau	Belarus	25.96

The S10 category is for swimmers who have minor physical impairments, for example, loss of one hand.

The final in this classification took place on 25 August 2021:

Rank	Lane	Name	Nationality	Time	Notes
	4	Rowan Crothers	Australia	23.21
	5	Maksym Krypak	Ukraine	23.33
	3	Phelipe Rodrigues	Brazil	23.50
4	6	Stefano Raimondi	Italy	23.74
5	2	Thomas Gallagher	Australia	24.16
6	7	Dmitrii Bartasinskii	RPC	24.48
7	1	Dmitry Drigoryev	RPC	24.61
8	8	David Levecq	Spain	25.08

The S11 category is for swimmers who have severe visual impairments and have very low or no light perception, such as blindness, they are required to wear blackened goggles to compete. They use tappers when competing in swimming events.

The final in this classification took place on 27 August 2021:

Rank	Lane	Name	Nationality	Time	Notes
	5	Wendell Belarmino Pereira	Brazil	26.03
	3	Hua Dongdong	China	26.18
	4	Edgaras Matakas	Lithuania	26.38
4	2	Yang Bozun	China	26.98
5	7	Mykhailo Serbin	Ukraine	27.18
6	6	Matheus Rheine Correa de Souza	Brazil	27.26
7	1	Wojciech Makowski	Poland	27.83
8	8	Marco Meneses	Portugal	28.02

The S13 category is for swimmers who have minor visual impairment and have high visual acuity. They are required to wear blackened goggles to compete. They may wish to use a tapper.

The final in this classification took place on 29 August 2021:

Rank	Lane	Name	Nationality	Time	Notes
	4	Ihar Boki	Belarus	23.21	PR
	3	Illia Yaremenko	Ukraine	23.70
	6	Maksym Veraksa	Ukraine	23.83
4	2	Raman Salei	Azerbaijan	23.85
5	5	Islam Aslanov	Uzbekistan	23.85
6	1	Dzmitry Salei	Belarus	24.23
7	7	Oleksii Virchenko	Ukraine	24.29
8	8	Nicolas Guy Turbide	Canada	24.59