Auf der offiziellen Webseite der Olympischen Sommerspiel 2020 in Tokio wurde der Zeitplan für die Schwimmwettbewerbe veröffentlicht inklusive der neuen Wettbewerbe 800 m Freistil bei den Herren, 1500 m Freistil bei den Damen und der 4 x 100 m Mixed Lagenstaffel.
Die meisten Rennen finden an denselben Tagen statt wie bei vorherigen Olympischen Spielen, jedoch finden Vorläufe abends und Finalläufe morgens in Tokio statt, damit die wichtigsten Fernsehsender der Welt zu den besten Sendezeiten die Wettbewerbe zeigen können.
Somit beginnen die Wettbwerbe am Samstag, den 25. Juli, erst mit den Vorläufen am Abend, die Final- und Semifinalläufe werden dann am Sonntagmorgen, 26. Juli, ausgetragen.
Die neuen Wettbewerbe finden am 3./4. Tag statt (1500 m Freistil, Frauen), 4./5. Tag (800 m Freistil, Männer) und 6./7. Tag (4 x 100 m Lagen Mixed).
Hier eine Vorschau auf das Wettkampfprogramm. Tag 1 beginnt am Samstag, 25. Juli und geht weiter mit Final-, Semifinalläufen am Sonntag, den 26. Juli.
| Day | Session | Actual Date | Local Time | Events | Round |
|
Day 1
|
Heats | Sat. July 25 | Evening | M 400 IM | heats |
| W 100 fly | heats | ||||
| M 400 free | heats | ||||
| W 400 IM | heats | ||||
| M 100 breast | heats | ||||
| W 4×100 free relay | heats | ||||
| Finals | Sun. July 26 | Morning | M 400 IM | final | |
| W 100 fly | semifinals | ||||
| M 400 free | final | ||||
| W 400 IM | final | ||||
| M 100 breast | semifinals | ||||
| W 4×100 free relay | final | ||||
|
Day 2
|
Heats | Sun. July 26 | Evening | W 100 back | heats |
| M 200 free | heats | ||||
| W 100 breast | heats | ||||
| M 100 back | heats | ||||
| W 400 free | heats | ||||
| M 4×100 free relay | heats | ||||
| Finals | Mon. July 27 | Morning | W 100 fly | final | |
| M 200 free | semifinals | ||||
| W 100 breast | semifinals | ||||
| M 100 breast | final | ||||
| W 400 free | final | ||||
| M 100 back | semifinals | ||||
| W 100 back | semifinals | ||||
| M 4×100 free relay | final | ||||
|
Day 3
|
Heats | Mon. July 27 | Evening | W 200 free | heats |
| M 200 fly | heats | ||||
| W 200 IM | heats | ||||
| W 1500 free | heats | ||||
| Finals | Tue. July 28 | Morning | W 200 free | semifinals | |
| M 200 free | final | ||||
| W 100 back | final | ||||
| M 100 back | final | ||||
| W 100 breast | final | ||||
| M 200 fly | semifinals | ||||
| W 200 IM | semifinals | ||||
|
Day 4
|
Heats | Tue. July 28 | Evening | M 100 free | heats |
| W 200 fly | heats | ||||
| M 200 breast | heats | ||||
| M 4×200 free relay | heats | ||||
| M 800 free | heats | ||||
| Finals | Wed. July 29 | Morning | M 100 free | semifinals | |
| W 200 free | final | ||||
| M 200 fly | final | ||||
| W 200 fly | semifinals | ||||
| M 200 breast | semifinals | ||||
| W 200 IM | final | ||||
| W 1500 free | final | ||||
| M 4×200 free relay | final | ||||
|
Day 5
|
Heats | Wed. July 29 | Evening | W 100 free | heats |
| M 200 back | heats | ||||
| W 200 breast | heats | ||||
| M 200 IM | heats | ||||
| W 4×200 free relay | heats | ||||
| Finals | Thu. July 30 | Morning | M 800 free | final | |
| M 200 breast | final | ||||
| W 100 free | semifinals | ||||
| M 200 back | semifinals | ||||
| W 200 fly | final | ||||
| M 100 free | final | ||||
| W 200 breast | semifinals | ||||
| M 200 IM | semifinals | ||||
| W 4×200 free relay | final | ||||
|
Day 6
|
Heats | Thu. July 30 | Evening | W 800 free | heats |
| M 100 fly | heats | ||||
| W 200 back | heats | ||||
| Mixed 4×100 medley relay | heats | ||||
| Finals | Fri. July 31 | Morning | W 200 breast | final | |
| M 200 back | final | ||||
| W 200 back | semifinals | ||||
| M 200 IM | final | ||||
| W 100 free | final | ||||
| M 100 fly | semifinals | ||||
|
Day 7
|
Heats | Fri. July 31 | Evening | M 50 free | heats |
| W 50 free | heats | ||||
| M 1500 free | heats | ||||
| W 4×100 medley relay | heats | ||||
| M 4×100 medley relay | heats | ||||
| Finals | Sat. Aug. 1 | Morning | M 100 fly | final | |
| W 200 back | final | ||||
| W 800 free | final | ||||
| M 50 free | semifinals | ||||
| W 50 free | semifinals | ||||
| Mixed 4×100 medley relay | final | ||||
|
Day 8
|
Heats | Sat. Aug. 1 | Evening | no events | |
| Finals | Sun. Aug. 2 | Morning | M 50 free | final | |
| W 50 free | final | ||||
| M 1500 free | final | ||||
| W 4×100 medley relay | final | ||||
| M 4×100 medley relay | final |