Swimming at the 2003 World Aquatics Championships – Women's 100 metre butterfly

Women's 100m Butterfly at the 2003 FINA World Aquatics Championships
Dates	20 July 2003 (prelims, semifinals) 21 July 2003 (final)
Medalists
Jenny Thompson    United States   Otylia Jędrzejczak    Poland   Martina Moravcová    Slovakia
←  2005 →

The Women's 100m Butterfly event at the 10th FINA World Aquatics Championships swam 20–21 July 2003 in Barcelona, Spain. Preliminary^[1] heats swam in the morning session of 20 July, with the top-16 finishers advancing to semifinal^[2] heats that evening. The top-8 finishers from the Semifinals then advanced to swim again in the Final^[3] the next evening.

At the start of the event, the World (WR) and Championship (CR) records were:

• WR: 56.61 swum by Inge de Bruijn (Netherlands) on September 17, 2000 in Sydney, Australia.
• CR: 58.27 swum by Petria Thomas (Australia) on July 28, 2001 in Fukuoka, Japan

Results[]

Final[]

Place	Swimmer	Nation	Time	Notes
1	Jenny Thompson	USA	57.96	CR
2	Otylia Jędrzejczak	Poland	58.22
3	Martina Moravcová	Slovakia	58.24
4	Alena Popchanka	Belarus	58.90
5	Yafei Zhou	China	59.08
6	Anna-Karin Kammerling	Sweden	59.14
7	Yuko Nakanishi	Japan	59.32
8	Natalie Coughlin	USA	59.63

Semifinals[]

Rank	Heat + Lane	Swimmer	Nation	Time	Notes
1	S2 L4	Jenny Thompson	USA	57.99	q, CR
2	S1 L4	Martina Moravcová	Slovakia	58.05	q
3	S2 L5	Otylia Jędrzejczak	Poland	58.44	q
4	S1 L3	Alena Popchanka	Belarus	58.61	q
5	S1 L5	Anna-Karin Kammerling	Sweden	58.71	q
6	S2 L3	Natalie Coughlin	USA	58.97	q
7	S2 L2	Yafei Zhou	China	59.10	q
8	S2 L1	Yuko Nakanishi	Japan	59.28	q
9	S1 L6	Vered Borochovsky	Israel	59.41
10	S2 L7	Jessicah Schipper	Australia	59.48
11	S1 L8	Chantal Groot	Netherlands	59.58
12	S2 L8	Junko Onishi	Japan	59.72
13	S1 L2	Inge Dekker	Netherlands	59.74
14	S1 L1	Annika Mehlhorn	Germany	59.76
15	S1 L7	Jen Button	Canada	59.93
16	S2 L6	Johanna Sjöberg	Sweden	59.97

Preliminaries[]

Rank	Heat+Lane	Swimmer	Nation	Time	Notes
1	H8 L5	Jenny Thompson		58.14	q, CR
2	H6 L4	Martina Moravcová		58.64	q
3	H7 L4	Otylia Jędrzejczak		58.89	q
4	H7 L5	Anna-Karin Kammerling		59.05	q
4	H8 L4	Natalie Coughlin		59.05	q
6	H6 L5	Alena Popchanka		59.33	q
7	H6 L3	Johanna Sjöberg		59.60	q
8	H7 L6	Vered Borochovsky		59.66	q
9	H8 L3	Yafei Zhou		59.69	q
10	H8 L1	Inge Dekker		59.72	q
11	H6 L2	Jessicah Schipper		59.90	q
12	H6 L6	Jen Button		1:00.01	q
13	H7 L1	Yuko Nakanishi		1:00.02	q
14	H7 L2	Annika Mehlhorn		1:00.08	q
15	H7 L3	Junko Onishi		1:00.09	q
16	H7 L7	Chantal Groot		1:00.13	q
17	H6 L1	Fabienne Dufour		1:00.80
18	H6 L7	Natalia Soutiaguina		1:00.82
19	H8 L7	Libby Lenton		1:00.88
20	H8 L2	Mandy Loots		1:01.04
21	H8 L6	Francesca Segat		1:01.34
22	H8 L8	Sara Oliveira		1:01.52
23	H5 L4			1:01.65
24	H5 L6	Petra Zahrl		1:01.69
25	H5 L7	Ivi Monteiro		1:02.32
26	H6 L8			1:02.85
27	H1 L3	Kyung Hwa Park		1:02.91
28	H4 L4			1:03.38
29	H5 L3	Hang Yu Sze		1:03.47
30	H3 L4	Kolbrún Ýr Kristjánsdóttir		1:03.49
31	H5 L1	Elizabeth Van Welie		1:03.61
32	H4 L5	Gülşah Günenç		1:03.62
33	H5 L2			1:03.69
34	H4 L1			1:04.13
35	H5 L5	Flora Kong		1:04.44
36	H5 L8			1:04.73
37	H4 L2	Angela Galea		1:04.88
38	H3 L5	Sharntelle McLean		1:05.36
39	H4 L6	Irina Shlemova		1:05.98
40	H3 L3			1:06.08
41	H3 L6	Yamilé Bahamonde		1:06.29
42	H4 L8			1:06.70
43	H3 L7	Sabria Dahane		1:07.04
44	H2 L4			1:08.92
45	H3 L1	Geraldine Arce		1:09.23
46	H2 L5			1:09.52
47	H3 L8			1:09.63
48	H3 L2	Simona Muccioli		1:10.06
49	H2 L7			1:13.29
50	H2 L6	Binta Zahra Diop		1:13.88
51	H1 L4	Jakie Wellman		1:15.53
52	H2 L2	Eva Donde		1:17.20
53	H1 L5	Aminath Rouya Hussain		1:33.43
-	-	Joscelin Yeo		DNS
-	-	Vesna Stojanovska		DNS
-	-	Raquel Felgueiras		DNS
-	-			DNS

References[]