Swimming at the 2020 Summer Olympics – Women's 100 metre butterfly

The women's 100 metre butterfly event at the 2020 Summer Olympics will be held in 2021 at the Tokyo Aquatics Centre.[1] It will be the event's seventeenth consecutive appearance, having been held at every edition since 1956.

Women's 100 metre butterfly
at the Games of the XXXII Olympiad
VenueTokyo Aquatics Centre
DatesTBC
Swimming at the
2020 Summer Olympics
Qualification
Freestyle
50 mmenwomen
100 mmenwomen
200 mmenwomen
400 mmenwomen
800 mmenwomen
1500 mmenwomen
Backstroke
100 mmenwomen
200 mmenwomen
Breaststroke
100 mmenwomen
200 mmenwomen
Butterfly
100 mmenwomen
200 mmenwomen
Individual medley
200 mmenwomen
400 mmenwomen
Freestyle relay
4×100 mmenwomen
4×200 mmenwomen
Medley relay
4×100 mmenmixedwomen
Marathon
10 kmmenwomen

Records

Prior to this competition, the existing world and Olympic records were as follows.

World record Sarah Sjöström (SWE)55.48Rio de Janeiro, Brazil7 August 2016[2]
Olympic record Sarah Sjöström (SWE)55.48Rio de Janeiro, Brazil7 August 2016[2]

Qualification
Main article: Swimming at the 2020 Summer Olympics – Qualification

The Olympic Qualifying Time for the event is 57.92 seconds. Up to two swimmers per National Olympic Committee (NOC) can automatically qualify by swimming that time at an approved qualification event. The Olympic Selection Time is 59.66 seconds. Up to one swimmer per NOC meeting that time is eligible for selection, allocated by world ranking until the maximum quota for all swimming events is reached. NOCs without a female swimmer qualified in any event can also use their universality place.[3]

Competition format

The competition consists of three rounds: heats, semifinals, and a final. The swimmers with the best 16 times in the heats advance to the semifinals. The swimmers with the best 8 times in the semifinals advance to the final. Swim-offs are used as necessary to break ties for advancement to the next round.[4]

Schedule

All times are Japan standard time (UTC+9)[1]

Date Time Round
TBC 19:00 Heats
TBC 10:30 Semifinals
TBC 10:30 Final

Results

Heats

The swimmers with the top 16 times, regardless of heat, advance to the semifinals.

Semifinals

The swimmers with the best 8 times, regardless of heat, advanced to the final.

References
  1. "Tokyo 2020: Swimming Schedule". Tokyo 2020. Retrieved 30 January 2020.
  2. "Swimming: Sjostrom avoids 'disasters' to win 100m butterfly". Reuters. 7 August 2016. Retrieved 27 August 2016.
  3. "Tokyo 2020 – FINA Swimming Qualification System" (pdf). Tokyo 2020. FINA. Retrieved 29 January 2020.
  4. "FINA Swimming Rulebook, 2017–21" (PDF). FINA. Retrieved 29 January 2020.
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