Paralympics event
Swimming at the 2020 Summer Paralympics was held at the Tokyo Aquatics Centre. There were 146 events (76 male, 67 female, 3 mixed relay events) - six fewer events than the 2016 Summer Paralympics. Swimming is the second largest sport: behind athletics and ahead of table tennis.
The 2020 Summer Olympic and Paralympic Games were postponed to 2021 due to the COVID-19 pandemic. They kept the 2020 name and were held from 24 August to 5 September 2021.
Qualification.
Qualification starts from 1 October 2018 and finishes on 1 August 2021.
Classes.
There are three swimming sport class prefixes for swimming strokes: 
As well as swimming strokes, they are also divided into ten different categories:
For relay races, the sum of their individual swimmers' classes must not exceed the stated points total. For example, three S8 swimmers and an S10 swimmer is a valid combination for 34-point freestyle relay (8 + 8 + 8 + 10 = 34).
Qualified nations.
As of March 2020.
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Schedule.
All heat events take place during the morning sessions from 9:00 to 11:45 and the finals take place during the evening sessions from 17:00 to 21:00 on the same day.
Medal table.
Source:
Multiple medalists.
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References.
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