Women's 100m Backstroke at the 2003 FINA World Aquatics Championships
Venue	Palau Sant Jordi
Dates	21 July (prelims + semis); 22 July (final)
Medalists
Antje Buschschulte    Germany   Louise Ørnstedt    Denmark   Katy Sexton    Great Britain
← 2001 2005 →

The Women's 100m Backstroke event at the 10th FINA World Aquatics Championships swam on 21–22 July 2003 in Barcelona, Spain. Preliminary^[1] heats swam during the morning session on July 21, with the top-16 finishers advancing to Semifinals^[2] that evening. The top-8 finishers then advanced to swim again in the Final the next evening.^[3]

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

• WR: 59.58 swum by Natalie Coughlin (USA) on August 13, 2002 in Fort Lauderdale, USA.
• CR: 1:00.16 swum by Cihong He (China) on September 10, 1994 in Rome, Italy

Place	Swimmer	Nation	Time	Notes
1	Antje Buschschulte	Germany	1:00.50
2	Louise Ørnstedt	Denmark	1:00.86
2	Katy Sexton	Great Britain	1:00.86
4	Nina Zhivanevskaya	Spain	1:01.18
5	Stanislava Komarova	Russia	1:01.36
6	Iryna Amshennikova	Ukraine	1:01.43
7	Mai Nakamura	Japan	1:01.51
8	Sarah Price	Great Britain	1:01.63

Rank	Heat + Lane	Swimmer	Nation	Time	Notes
1	S2 L4	Antje Buschschulte	Germany	1:00.61	q
2	S2 L5	Nina Zhivanevskaya	Spain	1:00.74	q
3	S1 L3	Katy Sexton	Great Britain	1:01.32	q
4	S2 L6	Iryna Amshennikova	Ukraine	1:01.39	q
5	S1 L5	Stanislava Komarova	Russia	1:01.42	q
6	S1 L4	Mai Nakamura	Japan	1:01.47	q
7	S1 L2	Louise Ørnstedt	Denmark	1:01.59	q
8	S2 L2	Sarah Price	Great Britain	1:01.61	q
9	S2 L3	Reiko Nakamura	Japan	1:01.64
10	S2 L1	Shu Zhan	China	1:01.78
11	S1 L7	Laure Manaudou	France	1:02.42
12	S1 L8	Sanja Jovanović	Croatia	1:02.47
12	S1 L6	Hannah McLean	New Zealand	1:02.47
14	S2 L7	Ilona Hlaváčková	Czech Republic	1:02.80
15	S2 L8	Jennifer Carroll	Canada	1:03.08
16	S1 L1	Xiujun Chen	China	1:03.19

Rank	Heat+Lane	Swimmer	Nation	Time	Notes
1	H6 L5	Antje Buschschulte	Germany	1:01.16	q
2	H7 L3	Mai Nakamura	Japan	1:01.18	q
2	H8 L5	Nina Zhivanevskaya	Spain	1:01.18	q
4	H6 L3	Stanislava Komarova	Russia	1:01.44	q
5	H6 L6	Reiko Nakamura	Japan	1:01.57	q
6	H7 L4	Katy Sexton	Great Britain	1:01.78	q
7	H6 L1	Iryna Amshennikova	Ukraine	1:01.90	q
8	H6 L7	Hannah McLean	New Zealand	1:02.15	q
9	H6 L4	Sarah Price	Great Britain	1:02.21	q
10	H7 L5	Louise Ørnstedt	Denmark	1:02.23	q
11	H7 L8	Ilona Hlaváčková	Czech Republic	1:02.43	q
12	H7 L6	Laure Manaudou	France	1:02.61	q
12	H8 L6	Shu Zhan	China	1:02.61	q
14	H6 L2	Xiujun Chen	China	1:02.69	q
15	H7 L1	Jennifer Carroll	Canada	1:02.71	q
16	H8 L7	Sanja Jovanović	Croatia	1:02.72	q
17	H1 L2	Min Ji Shim	South Korea	1:02.87
18	H7 L2	Erin Gammel	Canada	1:02.93
19	H8 L2	Kirsty Coventry	Zimbabwe	1:03.09
20	H8 L1	Alessandra Cappa	Italy	1:03.13
21	H5 L6	Hanna-Maria Seppälä	Finland	1:03.16
22	H8 L4	Natalie Coughlin	United States	1:03.18
23	H7 L7	Giaan Rooney	Australia	1:03.30
24	H6 L8	Hinkelien Schreuder	Netherlands	1:03.40
25	H8 L3	Haley Cope	United States	1:03.45
26	H8 L8	Melissa Morgan	Australia	1:03.52
27	H5 L5	Sherry Tsai	Hong Kong	1:03.93
28	H5 L3	Eirini Karastergiou	Greece	1:04.14
29	H5 L4	Anna Gostomelsky	Israel	1:04.94
30	H5 L7	Dominique Diezi	Switzerland	1:05.30
31	H5 L2	Chonlathorn Vorathamrong	Thailand	1:05.34
32	H5 L1	Derya Erke	Turkey	1:05.36
33	H4 L3	Serrana Fernández	Uruguay	1:05.51
34	H3 L6	Anja Rikey Jakobsdóttir	Iceland	1:05.80
35	H4 L1	Kiera Aitken	Bermuda	1:06.07
36	H5 L8	Susannah Moonan	Sweden	1:06.27
37	H4 L4	Talita Ribeiro	Brazil	1:06.28
38	H4 L5	Marie-Lizza Toinette Danila	Philippines	1:06.83
39	H1 L3	Berit Aljand	Estonia	1:06.86
39	H4 L6	Edith Van der Schilden	Luxembourg	1:06.86
41	H3 L5	Shikha Tandon	India	1:07.82
42	H4 L2	Danijela Djikanovic	FR Yugoslavia	1:07.96
43	H3 L4	Agnese Ozolina	Latvia	1:07.97
44	H4 L7	Saida Iskandarova	Uzbekistan	1:08.50
45	H3 L7	Ayeisha Collymore	Trinidad and Tobago	1:08.79
46	H4 L8	Marianella Marin	Costa Rica	1:09.32
47	H3 L2	Khadija Ciss	Senegal	1:09.64
48	H3 L3	Valeria Silva	Peru	1:09.83
49	H3 L1	Susan Anchia	Costa Rica	1:11.84
50	H2 L4	Olga Gnedovskaya	Uzbekistan	1:13.49
51	H2 L3	Krystle Babao	Papua New Guinea	1:13.73
52	H2 L5	Ana Galindo	Honduras	1:15.97
53	H2 L6	Kiran Khan	Pakistan	1:16.04
54	H2 L2	Jakie Wellman	Zambia	1:17.85
55	H2 L7	Binta Zahra Diop	Senegal	1:19.39
56	H3 L8	Helena Rojkova	Turkmenistan	1:20.16
57	H2 L1	Monika Bakale	Republic of the Congo	1:20.50
58	H1 L5	Tojohanitra Andriamanjatoarimanana	Madagascar	1:23.66
59	H1 L4	N. Ravojanahary	Madagascar	1:26.61
60	H1 L6	Aminath Rouya Hussain	Maldives	1:31.91
-	-	Sivranjani Vaidyanathan	India	DNS