| | Event type

100 metres Breaststroke, Women

Date	25 – 27 July 2021
Status	Olympic
Location	Olympic Aquatics Centre, 2-1, 2chome, Tatsumi, Koto-ku, Tatsumi-no-Mori Seaside Park, Tokyo, Japan
Participants	45 from 38 countries

American Lilly King and Russian Yuliya Yefimova had gone 1-2 in this event at the Rio de Janeiro Olympics and were still considered the favorites. Yefimova had won the 2019 World Championship at 200 metres but did not have the fastest times in 2021 in the 100. King had won the US Olympic Trials over young high schooler Lydia Jacoby, and they had the fastest times of the year, followed by Sweden’s Sophie Hansson and South African Tatjana Schoenmaker.

Those five all qualified easily for the final. Schoenmaker took the early lead in the final, followed by King and Jacoby as Yefimova never factored in the medal chase. Coming home, Jacoby surprised everybody by finishing the fastest and taking gold. Schoenmaker hung on for second with King getting the bronze medal.

Jacoby had been touted as the first American Olympic swimmer from the state of Alaska, not exactly a hotbed of swimming talent. A student at Seward High School, she had committed to swim at the University of Texas in 2022 but had been home schooled in 2020-21 for much of the pandemic year, as she also struggled to find places to swim in Alaska during that time.

Three days after the final of this event, Schoenmaker would win the 200 breaststroke with a world record, as King took silver. Jacoby and King would both win silver medals in the women’s medley relay, as King swam the heats and Jacoby the final.

Pos	Competitor	NOC	R1	SF	Final
1	Lydia Jacoby	USA	1:05.52 (2 h5)	1:05.72 (1 h1)	1:04.95 (1)	Gold
2	Tatjana Schoenmaker	RSA	1:04.82 (1 h5)	1:05.07 (1 h2)	1:05.22 (2)	Silver
3	Lilly King	USA	1:05.55 (1 h6)	1:05.40 (2 h2)	1:05.54 (3)	Bronze
4	Yevgeniya Chikunova	ROC	1:06.16 (4 h6)	1:06.47 (4 h1)	1:05.90 (4)
5	Yuliya Yefimova	ROC	1:06.21 (1 h4)	1:06.34 (3 h1)	1:06.02 (5)
6	Sophie Hansson	SWE	1:05.66 (2 h6)	1:05.81 (2 h1)	1:06.07 (6)
7	Martina Carraro	ITA	1:05.85 (3 h6)	1:06.50 (3 h2)	1:06.19 (7)
8	Mona McSharry	IRL	1:06.39 (3 h5)	1:06.59 (4 h2)	1:06.94 (8)
9	Chelsea Hodges	AUS	1:06.70 (4 h5)	1:06.60 (5 h1)	–
10	Tang Qianting	CHN	1:06.47 (2 h4)	1:06.63 (6 h1)	–
11	Sarah Vasey	GBR	1:06.61 (6 h6)	1:06.87 (5 h2)	–
12	Ida Hulkko	FIN	1:06.19 (5 h6)	1:07.02 (6 h2)	–
13	Anna Elendt	GER	1:06.96 (2 h3)	1:07.31 (7 h1)	–
14	Kotryna Teterevkova	LTU	1:06,82 (1 h3)	1:07.39 (7 h2)	–
15	Lisa Mamié	SUI	1:06.76 (5 h5)	1:07.41 (8 h2)	–
16	Eneli Jefimova	EST	1:06.79 (6 h5)	1:07.58 (8 h1)	–
17	Kanako Watanabe	JPN	1:07.01 (3 h4)	–	–
18	Jessica Vall	ESP	1:07.07 (7 h5)	–	–
19	Reona Aoki	JPN	1:07.29 (4 h4)	–	–
20	Jessica Hansen	AUS	1:07.50 (5 h4)	–	–
21	Alina Zmushka	BLR	1:07.58 (6 h4)	–	–
22	Alia Atkinson	JAM	1:07.70 (3 h3)	–	–
23	Kelsey Wog	CAN	1:07.73 (7 h4)	–	–
24	Kierra Smith	CAN	1:07.87 (7 h6)	–	–
25	Tes Schouten	NED	1:07.89 (4 h3)	–	–
26	Fanny Lecluyse	BEL	1:07.93 (5 h3)	–	–
27	Emelie Fast	SWE	1:07.98 (8 h6)	–	–
28	Andrea Podmaníková	SVK	1:08.36 (1 h2)	–	–
29	Phee Jinq En	MAS	1:08.40 (2 h2)	–	–
30	Melissa Rodríguez	MEX	1:08.76 (6 h3)	–	–
31	Julia Sebastián	ARG	1:09.35 (7 h3)	–	–
32	Tilali Scanlan	ASA	1:10.01 (3 h2)	–	–
33	Ema Rajić	CRO	1:10.02 (4 h2)	–	–
34	Diana Petkova	BUL	1:10.61 (8 h3)	–	–
35	Emily Santos	PAN	1:12.10 (5 h2)	–	–
36	Kirsten Fisher-Marsters	COK	1:13.98 (6 h2)	–	–
37	Emilie Grand'Pierre	HAI	1:14.82 (1 h1)	–	–
38	Alicia Kok	MRI	1:15.42 (7 h2)	–	–
39	Darýa Semýonowa	TKM	1:16.37 (2 h1)	–	–
40	Jayla Pina	CPV	1:16.96 (3 h1)	–	–
41	Taeyanna Adams	FSM	1:25.36 (4 h1)	–	–
42	Nuna Ba Matraf	YEM	1:27.79 (5 h1)	–	–
43	Aishath Sajina	MDV	1:33.59 (6 h1)	–	–
DQ	Benedetta Pilato	ITA	– (DQ h4)	–	–
DQ	Claudia Verdino	MON	– (DQ h2)	–	–
DNS	Anastasia Gorbenko	ISR	– (DNS h5)	–	–
DNS	Mariama Touré	GUI	– (DNS h1)	–	–

Round One

Date	25 July 2021 — 19:34

Pos	Lane	Competitor	NOC	Time
1	–	Tatjana Schoenmaker	RSA	0.00	Q OR
2	–	Lydia Jacoby	USA	1:05.52	Q
3	–	Lilly King	USA	0.00	Q
4	–	Sophie Hansson	SWE	0.00	Q
5	–	Martina Carraro	ITA	0.00	Q
6	–	Yevgeniya Chikunova	ROC	0.00	Q
7	–	Ida Hulkko	FIN	0.00	Q
8	–	Yuliya Yefimova	ROC	0.00	Q
9	–	Mona McSharry	IRL	0.00	Q
10	–	Tang Qianting	CHN	0.00	Q
11	–	Sarah Vasey	GBR	0.00	Q
12	–	Chelsea Hodges	AUS	0.00	Q
13	–	Lisa Mamié	SUI	0.00	Q
14	–	Eneli Jefimova	EST	0.00	Q
15	–	Kotryna Teterevkova	LTU	0.00	Q
16	–	Anna Elendt	GER	0.00	Q
17	–	Kanako Watanabe	JPN	1:07.01
18	–	Jessica Vall	ESP	1:07.07
19	–	Reona Aoki	JPN	1:07.29
20	–	Jessica Hansen	AUS	1:07.50
21	–	Alina Zmushka	BLR	1:07.58
22	–	Alia Atkinson	JAM	1:07.70
23	–	Kelsey Wog	CAN	1:07.73
24	–	Kierra Smith	CAN	1:07.87
25	–	Tes Schouten	NED	1:07.89
26	–	Fanny Lecluyse	BEL	1:07.93
27	–	Emelie Fast	SWE	1:07.98
28	–	Andrea Podmaníková	SVK	1:08.36
29	–	Phee Jinq En	MAS	1:08.40
30	–	Melissa Rodríguez	MEX	1:08.76
31	–	Julia Sebastián	ARG	1:09.35
32	–	Tilali Scanlan	ASA	1:10.01
33	–	Ema Rajić	CRO	1:10.02
34	–	Diana Petkova	BUL	1:10.61
35	–	Emily Santos	PAN	1:12.10
36	–	Kirsten Fisher-Marsters	COK	1:13.98
37	–	Emilie Grand'Pierre	HAI	1:14.82
38	–	Alicia Kok	MRI	1:15.42
39	–	Darýa Semýonowa	TKM	1:16.37
40	–	Jayla Pina	CPV	1:16.96
41	–	Taeyanna Adams	FSM	1:25.36
42	–	Nuna Ba Matraf	YEM	1:27.79
43	–	Aishath Sajina	MDV	1:33.59
DNS	–	Anastasia Gorbenko	ISR	–
DNS	–	Mariama Touré	GUI	–
DQ	–	Benedetta Pilato	ITA	–
DQ	–	Claudia Verdino	MON	–

Heat #1

Time	19:34

Pos	Lane	Competitor	NOC	Time	Reaction Time	50 m	50-100 m Time (Rank)
1	–	Emilie Grand'Pierre	HAI	1:14.82	0.67	34.33 (3)	40.49 (1)
2	–	Darýa Semýonowa	TKM	1:16.37	0.65	34.22 (2)	42.15 (2)
3	–	Jayla Pina	CPV	1:16.96	0.69	34.18 (1)	42.78 (3)
4	–	Taeyanna Adams	FSM	1:25.36	0.73	39.75 (4)	45.61 (4)
5	–	Nuna Ba Matraf	YEM	1:27.79	0.73	41.53 (5)	46.26 (5)
6	–	Aishath Sajina	MDV	1:33.59	0.72	44.17 (6)	49.42 (6)
DNS	–	Mariama Touré	GUI	–	–	– (–)	–

Heat #2

Time	19:37

Pos	Lane	Competitor	NOC	Time	Reaction Time	50 m	50-100 m Time (Rank)
1	–	Andrea Podmaníková	SVK	1:08.36	0.66	32.10 (=1)	36.26 (3)
2	–	Phee Jinq En	MAS	1:08.40	0.70	32.50 (3)	34.61 (=1)
3	–	Tilali Scanlan	ASA	1:10.01	0.71	33.22 (5)	36.79 (4)
4	–	Ema Rajić	CRO	1:10.02	0.71	32.10 (=1)	37.92 (5)
5	–	Emily Santos	PAN	1:12.10	0.69	33.18 (4)	38.92 (6)
6	–	Kirsten Fisher-Marsters	COK	1:13.98	0.68	34.16 (6)	39.82 (7)
7	–	Alicia Kok	MRI	1:15.42	0.60	34.60 (7)	34.61 (=1)
DQ	–	Claudia Verdino	MON	–	–	– (–)	–

Heat #3

Time	19:40

Pos	Lane	Competitor	NOC	Time	Reaction Time	50 m	50-100 m Time (Rank)
1	–	Kotryna Teterevkova	LTU	1:06,82	0.70	31.61 (4)	35.21 (1)	Q
2	–	Anna Elendt	GER	1:06.96	0.72	31.57 (=2)	35.39 (2)	Q
3	–	Alia Atkinson	JAM	1:07.70	0.67	31.48 (1)	36.22 (4)
4	–	Tes Schouten	NED	1:07.89	0.66	32.09 (6)	35.80 (3)
5	–	Fanny Lecluyse	BEL	1:07.93	0.71	31.57 (=2)	36.36 (5)
6	–	Melissa Rodríguez	MEX	1:08.76	0.65	31.77 (5)	36.99 (6)
7	–	Julia Sebastián	ARG	1:09.35	0.66	32.32 (7)	37.03 (7)
8	–	Diana Petkova	BUL	1:10.61	0.74	32.81 (8)	37.80 (8)

Heat #4

Time	19:43

Pos	Lane	Competitor	NOC	Time	Reaction Time	50 m	50-100 m Time (Rank)
1	–	Yuliya Yefimova	ROC	1:06.21	0.69	30.92 (2)	35.29 (2)	Q
2	–	Tang Qianting	CHN	1:06.47	0.73	30.81 (1)	35.66 (4)	Q
3	–	Kanako Watanabe	JPN	1:07.01	0.69	31.39 (4)	35.62 (3)
4	–	Reona Aoki	JPN	1:07.29	0.62	31.01 (3)	36.28 (7)
5	–	Jessica Hansen	AUS	1:07.50	0.72	31.85 (7)	34.61 (1)
6	–	Alina Zmushka	BLR	1:07.58	0.70	31.76 (5)	35.82 (5)
7	–	Kelsey Wog	CAN	1:07.73	0.63	31.82 (6)	35.91 (6)
DQ	–	Benedetta Pilato	ITA	–	–	– (–)	–

Heat #5

Time	19:46

Pos	Lane	Competitor	NOC	Time	Reaction Time	50 m	50-100 m Time (Rank)
1	–	Tatjana Schoenmaker	RSA	1:04.82	0.67	30.21 (1)	34.61 (2)	Q OR
2	–	Lydia Jacoby	USA	1:05.52	0.67	30.99 (3)	34.53 (1)	Q
3	–	Mona McSharry	IRL	1:06.39	0.67	31.06 (4)	35.33 (5)	Q
4	–	Chelsea Hodges	AUS	1:06.70	0.70	30.86 (2)	35.84 (7)	Q
5	–	Lisa Mamié	SUI	1:06.76	0.71	31.42 (5)	35.34 (6)	Q
6	–	Eneli Jefimova	EST	1:06.79	0.67	31.76 (6)	35.03 (3)	Q
7	–	Jessica Vall	ESP	1:07.07	0.69	32.02 (7)	35.05 (4)
DNS	–	Anastasia Gorbenko	ISR	–	–	– (–)	–

Heat #6

Time	19:49

Pos	Lane	Competitor	NOC	Time	Reaction Time	50 m	50-100 m Time (Rank)
1	–	Lilly King	USA	1:05.55	0.71	30.74 (2)	34.81 (4)	Q
2	–	Sophie Hansson	SWE	1:05.66	0.72	31.01 (3)	34.65 (2)	Q
3	–	Martina Carraro	ITA	1:05.85	0.61	31.06 (4)	34.79 (3)	Q
4	–	Yevgeniya Chikunova	ROC	1:06.16	0.71	31.63 (7)	34.53 (1)	Q
5	–	Ida Hulkko	FIN	1:06.19	0.65	30.55 (1)	35.64 (6)	Q
6	–	Sarah Vasey	GBR	1:06.61	0.67	31.30 (6)	35.31 (5)	Q
7	–	Kierra Smith	CAN	1:07.87	0.76	32.09 (8)	35.78 (7)
8	–	Emelie Fast	SWE	1:07.98	0.65	31.23 (5)	36.75 (8)

Semi-Finals

Date	26 July 2021 — 10:50

Pos	Lane	Competitor	NOC	Time
1	–	Tatjana Schoenmaker	RSA	0.00	Q
2	–	Lilly King	USA	0.00	Q
3	–	Lydia Jacoby	USA	0.00	Q
4	–	Sophie Hansson	SWE	0.00	Q
5	–	Yuliya Yefimova	ROC	0.00	Q
6	–	Yevgeniya Chikunova	ROC	0.00	Q
7	–	Martina Carraro	ITA	0.00	Q
8	–	Mona McSharry	IRL	0.00	Q
9	–	Chelsea Hodges	AUS	1:06.60
10	–	Tang Qianting	CHN	1:06.63
11	–	Sarah Vasey	GBR	1:06.87
12	–	Ida Hulkko	FIN	1:07.02
13	–	Anna Elendt	GER	1:07.31
14	–	Kotryna Teterevkova	LTU	1:07.39
15	–	Lisa Mamié	SUI	1:07.41
16	–	Eneli Jefimova	EST	1:07.58

Heat #1

Time	10:50

Pos	Lane	Competitor	NOC	Time	Reaction Time	50 m	50-100 m Time (Rank)
1	–	Lydia Jacoby	USA	1:05.72	0.71	31.24 (4)	34.48 (1)	Q
2	–	Sophie Hansson	SWE	1:05.81	0.71	31.05 (2)	34.76 (2)	Q
3	–	Yuliya Yefimova	ROC	1:06.34	0.71	31.56 (6)	34.78 (3)	Q
4	–	Yevgeniya Chikunova	ROC	1:06.47	0.67	31.64 (7)	34.83 (4)	Q
5	–	Chelsea Hodges	AUS	1:06.60	0.72	31.15 (3)	35.45 (5)
6	–	Tang Qianting	CHN	1:06.63	0.71	30.80 (1)	35.83 (7)
7	–	Anna Elendt	GER	1:07.31	0.69	31.78 (8)	35.53 (6)
8	–	Eneli Jefimova	EST	1:07.58	0.65	31.55 (5)	36.03 (8)

Heat #2

Time	10:56

Pos	Lane	Competitor	NOC	Time	Reaction Time	50 m	50-100 m Time (Rank)
1	–	Tatjana Schoenmaker	RSA	1:05.07	0.67	30.48 (1)	34.59 (1)	Q
2	–	Lilly King	USA	1:05.40	0.66	30.70 (2)	34.70 (2)	Q
3	–	Martina Carraro	ITA	1:06.50	0.62	31.77 (7)	34.73 (3)	Q
4	–	Mona McSharry	IRL	1:06.59	0.66	31.62 (6)	34.97 (4)	Q
5	–	Sarah Vasey	GBR	1:06.87	0.67	30.89 (3)	35.98 (7)
6	–	Ida Hulkko	FIN	1:07.02	0.64	30.99 (4)	36.03 (8)
7	–	Kotryna Teterevkova	LTU	1:07.39	0.69	31.49 (5)	35.90 (6)
8	–	Lisa Mamié	SUI	1:07.41	0.70	31.83 (8)	35.58 (5)

Final Round

Date	27 July 2021 — 11:17

Pos	Lane	Competitor	NOC	Time	Reaction Time	50 m	50-100 m Time (Rank)
1	–	Lydia Jacoby	USA	1:04.95	0.67	30.74 (3)	34.21 (1)
2	–	Tatjana Schoenmaker	RSA	1:05.22	0.66	30.41 (1)	34.81 (4)
3	–	Lilly King	USA	1:05.54	0.65	30.71 (2)	34.83 (5)
4	–	Yevgeniya Chikunova	ROC	1:05.90	0.70	31.62 (7)	34.28 (2)
5	–	Yuliya Yefimova	ROC	1:06.02	0.71	31.26 (6)	34.76 (3)
6	–	Sophie Hansson	SWE	1:06.07	0.72	30.93 (4)	35.14 (6)
7	–	Martina Carraro	ITA	1:06.19	0.63	30.98 (5)	35.21 (7)
8	–	Mona McSharry	IRL	1:06.94	0.64	31.68 (8)	35.26 (8)