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

The women's 100 metre breaststroke event at the 2020 Summer Olympics will be held in 2021 at the Tokyo Aquatics Centre.[1] It will be the event's fourteenth consecutive appearance, having been held at every edition since 1968.

Women's 100 metre breaststroke at the Games of the XXXII Olympiad
Venue	Tokyo Aquatics Centre
Dates	TBC

Records

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

World record	Lilly King (USA)	1:04.13	Budapest, Hungary	25 July 2017	[2]
Olympic record	Lilly King (USA)	1:04.93	Rio de Janeiro, Brazil	8 August 2016	[3][4]

Qualification

The Olympic Qualifying Time for the event is 1:07.07. 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 1:09.08. 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.[5]

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.[6]

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. Brien, Taylor (25 July 2017). "Lilly King Stuns with 1:04.13 100 Breast World Record; Meili Second". Swimming World Magazine. Retrieved 1 February 2020.
3. "Lilly King wins grudge-match gold and takes aim at team-mate Justin Gatlin". The Guardian. 9 August 2016. Retrieved 9 August 2016.
4. Fenno, Nathan (9 August 2016). "Lilly King beats Yulia Efimova to win gold in 100-meter breaststroke duel". Los Angeles Times. Retrieved 29 August 2016.
5. "Tokyo 2020 – FINA Swimming Qualification System" (PDF). Tokyo 2020. FINA. Retrieved 29 January 2020.
6. "FINA Swimming Rulebook, 2017–21" (PDF). FINA. Retrieved 29 January 2020.