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

Women's 100 metre butterfly
at the Games of the XXXII Olympiad
Women's 100 metre butterfly; at the Games of the XXXII Olympiad
Venue	Tokyo Aquatics Centre
Dates	24 July 2021 (heats); 25 July 2021 (semifinals); 26 July 2021 (final)
Competitors	33 from 27 nations
Winning time	55.59 AM
Medalists
	← 2016 2024 →

Last updated July 28, 2023

Records

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

World record	Sarah Sjöström (SWE)	55.48	Rio de Janeiro, Brazil	7 August 2016	^[2]
Olympic record	Sarah Sjöström (SWE)	55.48	Rio de Janeiro, Brazil	7 August 2016	^[2]

No new records were set during the competition.

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
24 July	19:25	Heats
25 July	10:40	Semifinals
26 July	10:30	Final

Results

Heats

The swimmers with the top 16 times, regardless of heat, advanced to the semifinals.^[5]

Rank	Heat	Lane	Swimmer	Nation	Time	Notes
1	5	4	Zhang Yufei	China	55.82	Q
1	5	5	Emma McKeon	Australia	55.82	Q, OC
3	4	5	Sarah Sjöström	Sweden	56.18	Q
4	4	4	Torri Huske	United States	56.29	Q
5	3	4	Maggie Mac Neil	Canada	56.55	Q
6	5	3	Louise Hansson	Sweden	56.97	Q
7	4	3	Anastasiya Shkurdai	Belarus	56.99	Q
8	3	3	Marie Wattel	France	57.08	Q
9	4	6	Elena Di Liddo	Italy	57.41	Q
10	3	5	Claire Curzan	United States	57.49	Q
11	3	1	Katerine Savard	Canada	57.51	Q
12	4	2	Ilaria Bianchi	Italy	57.70	Q
13	5	2	Anna Ntountounaki	Greece	57.75	Q
14	3	2	Arina Surkova	ROC	58.02	Q
15	4	7	Svetlana Chimrova	ROC	58.04	Q
16	5	6	Brianna Throssell	Australia	58.08	Q
17	3	8	Maria Ugolkova	Switzerland	58.22	NR
18	4	8	Anastasia Gorbenko	Israel	58.23
19	3	6	Lana Pudar	Bosnia and Herzegovina	58.32
20	4	1	Farida Osman	Egypt	58.69
21	5	1	Harriet Jones	Great Britain	58.73
22	5	7	Emilie Beckmann	Denmark	58.84
23	5	8	An Se-hyeon	South Korea	59.32
24	2	5	Ellen Walshe	Ireland	59.35
25	2	3	Remedy Rule	Philippines	59.68
26	3	7	Erin Gallagher	South Africa	59.69
27	2	4	Dalma Sebestyén	Hungary	59.79
28	2	7	Luana Alonso	Paraguay	1:00.37
29	2	2	Jeserik Pinto	Venezuela	1:00.60
30	1	4	Mariam Sheikhalizadeh	Azerbaijan	1:01.37
31	2	6	Miriam Sheehan	Puerto Rico	1:02.49
32	1	5	Aniqah Gaffoor	Sri Lanka	1:05.33
33	1	3	Yusra Mardini	Refugee Olympic Team	1:06.78

Semifinals

The swimmers with the best 8 times, regardless of heat, advanced to the final.^[6]

Rank	Heat	Lane	Swimmer	Nation	Time	Notes
1	2	4	Zhang Yufei	China	55.89	Q
2	1	6	Marie Wattel	France	56.16	Q, NR
3	1	4	Emma McKeon	Australia	56.33	Q
4	2	5	Sarah Sjöström	Sweden	56.40	Q
5	1	5	Torri Huske	United States	56.51	Q
6	2	3	Maggie Mac Neil	Canada	56.56	Q
7	1	3	Louise Hansson	Sweden	56.92	Q
8	2	6	Anastasiya Shkurdai	Belarus	57.19	Q
9	2	1	Anna Ntountounaki	Greece	57.25	NR
10	1	2	Claire Curzan	United States	57.42
11	2	8	Svetlana Chimrova	ROC	57.54
12	1	8	Brianna Throssell	Australia	57.59
13	2	2	Elena Di Liddo	Italy	57.60
14	1	1	Arina Surkova	ROC	57.72
15	1	7	Ilaria Bianchi	Italy	58.07
16	2	7	Katerine Savard	Canada	58.10

Final

^[7]

Rank	Lane	Swimmer	Nation	Time	Notes
	7	Maggie Mac Neil	Canada	55.59	AM
	4	Zhang Yufei	China	55.64
	3	Emma McKeon	Australia	55.72	OC
4	2	Torri Huske	United States	55.73
5	1	Louise Hansson	Sweden	56.22
6	5	Marie Wattel	France	56.27
7	6	Sarah Sjöström	Sweden	56.91
8	8	Anastasiya Shkurdai	Belarus	57.05

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References

1 2 "Tokyo 2020: Swimming Schedule". Tokyo 2020 . Retrieved 30 January 2020.
1 2 "Swimming: Sjostrom avoids 'disasters' to win 100m butterfly". Reuters. 7 August 2016. Retrieved 27 August 2016.
↑ "Tokyo 2020 – FINA Swimming Qualification System" (pdf). Tokyo 2020 . FINA . Retrieved 29 January 2020.
↑ "FINA Swimming Rulebook, 2017–21" (PDF). FINA. Retrieved 29 January 2020.
↑ "Heats results" (PDF). Archived from the original (PDF) on 24 July 2021. Retrieved 24 July 2021.
↑ "Semifinals results" (PDF). Archived from the original (PDF) on 23 August 2021. Retrieved 1 August 2021.
↑ "Final results" (PDF). Archived from the original (PDF) on 23 August 2021. Retrieved 1 August 2021.

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[schedule-1] 1 2 "Tokyo 2020: Swimming Schedule". Tokyo 2020 . Retrieved 30 January 2020.

[WR-2] 1 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.

[FINARules-4] "FINA Swimming Rulebook, 2017–21" (PDF). FINA. Retrieved 29 January 2020.

[5] "Heats results" (PDF). Archived from the original (PDF) on 24 July 2021. Retrieved 24 July 2021.

[6] "Semifinals results" (PDF). Archived from the original (PDF) on 23 August 2021. Retrieved 1 August 2021.

[7] "Final results" (PDF). Archived from the original (PDF) on 23 August 2021. Retrieved 1 August 2021.

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Swimming at the 2020 Summer Olympics

Qualification
Freestyle
50 m	men		women
100 m	men		women
200 m	men		women
400 m	men		women
800 m	men		women
1500 m	men		women
Backstroke
100 m	men		women
200 m	men		women
Breaststroke
100 m	men		women
200 m	men		women
Butterfly
100 m	men		women
200 m	men		women
Individual medley
200 m	men		women
400 m	men		women
Freestyle relay
4 × 100 m	men		women
4 × 200 m	men		women
Medley relay
4 × 100 m	men	mixed	women
Marathon
10 km	men		women
v t e