Swimming is a timed sport that requires both endurance and speed, as it incorporates techniques from styles such as breaststroke, butterfly stroke, backstroke, freestyle and synchronized swimming, in specific 50, 100, 200, 400, 800 and 1500 m pools. Competitions can be individual or by teams, where the athlete or team aim for victory by touching a plate after their last round.

The Lima 2019 Games were the first Games to line up with the Olympic program, with both male and female team relay competitions and 36 medal events: 17 men's, 17 women's, and 2 mixed.  The competition is carried out in eight lanes, with heats for all events except for 800 m and 1500 m freestyle and relay events.

The first two were carried out in heats with final times, with the fastes eight seeded swimmers competing in the evening final sessions. Relay events featured preliminary heats as well as finals. The US was the absolute favorite in this sport before Lima 2019, with 703 medals (323 of which are gold), followed by Canada and Brazil with 52 gold medals each. This sport was held at the new the Aquatic Center of the National Sports Village (Videna).
 

Keywords
Flip turn: A type of turn in the water where swimmers use their feet to push off from the wall.
Heat: Event carried out in order to cut the number of participants.
Medley: When the swimmer or team swim legs of butterfly, backstroke, breaststroke and freestyle.
Qualifying time: Time that an athlete must achieve in order to enter a competitive event.
Touch: The finishing point of a race.