Swimming at the 2007 World Aquatics Championships – Women's 100 metre freestyle

The Women's 100m Freestyle event at the 2007 World Aquatics Championships occurred on 29 March (prelims and semifinals) and March (30) at Rod Laver Arena in Melbourne, Australia. 135 swimmers were entered in the event.

Four days prior to the event—and still during the 2007 Worlds--Lisbeth Lenton set the Championship Record (CR) in the event on the opening leg of Australia's with her 53.42. The previous record had been 54.01 by China's Le Jingyi from the Rome 1994 (on 5 September 1994).

The existing records at the start of the event:

• World Record (WR): 53.30, Britta Steffen (Germany), 2 August 2006, in Budapest, Hungary.
• Championship Record (CR): 53.42, Lisbeth Lenton (Australia), 25 March 2007, (Mar.25.2007).

Finals[]

Place	Lane	Name	Nationality	Split (50m)	Time	Note
	5	Lisbeth Lenton	Australia	25.38	53.40	CR
	2	Marleen Veldhuis	Netherlands	25.15	53.70
	3	Britta Steffen	Germany	25.76	53.74
4	4	Natalie Coughlin	United States	25.56	53.87
5	6	Erica Morningstar	Canada	25.84	54.10
6	7	Jodie Henry	Australia	26.07	54.21
7	8	Josefin Lillhage	Sweden	26.25	54.67
8	1	Malia Metella	France	25.84	54.77

Semifinals[]

Rank	Heat (Lane)	Name	Nationality	50m	Time	Notes
1	2 (4)	Natalie Coughlin	USA	25.67	53.40	Q CR, AM
2	2 (5)	Lisbeth Lenton	Australia	25.55	53.85	Q
3	1 (5)	Britta Steffen	Germany	25.77	54.05	Q
4	1 (4)	Erica Morningstar	Canada	25.98	54.08	Q
5	1 (6)	Marleen Veldhuis	Netherlands	25.81	54.17	Q
6	1 (3)	Jodie Henry	Australia	26.32	54.23	Q
7	1 (1)	Malia Metella	France	26.26	54.61	Q
7	2 (3)	Josefin Lillhage	Sweden	26.25	54.61	Q
9	2 (6)	Francesca Halsall	Great Britain	25.98	54.85
10	1 (2)	Alena Popchanka	France	26.61	54.99
11	2 (7)	Xu Yanwei	China	26.20	55.10
12	1 (7)	Hanna-Maria Seppälä	Finland	26.16	55.31
13	2 (1)	Ranomi Kromowidjojo	Netherlands	26.68	55.33
14	2 (8)	Aleksandra Gerasimenya	Belarus	26.10	55.39
15	2 (2)	Amanda Weir	USA	26.39	55.47
16	1 (8)	Vanessa García	Puerto Rico	26.25	56.27

Preliminaries[]

Rank	Heat (Lane)	Name	Nationality	50m	Time	Q
1	16 (5)	Natalie Coughlin	USA	25.91	00:54.04	Q
2	16 (7)	Erica Morningstar	Canada	26.24	00:54.30	Q
3	16 (4)	Lisbeth Lenton	Australia	25.96	00:54.32	Q
4	17 (4)	Britta Steffen	Germany	26.37	00:54.60	Q
5	15 (2)	Josefin Lillhage	Sweden	26.44	00:54.74	Q
6	17 (5)	Jodie Henry	Australia	26.60	00:54.76	Q
7	17 (6)	Fran Halsall	Great Britain	26.29	00:54.80	Q
8	15 (5)	Marleen Veldhuis	Netherlands	25.84	00:54.89	Q
9	15 (4)	Amanda Weir	USA	26.37	00:55.03	Q
10	16 (3)	Alena Popchanka	France	26.52	00:55.11	Q
11	15 (6)	Xu Yanwei	China	26.47	00:55.24	Q
12	17 (2)	Hanna-Maria Seppälä	Finland	26.56	00:55.33	Q
13	14 (7)	Ranomi Kromowidjojo	Netherlands	26.47	00:55.38	Q
14	16 (2)	Malia Metella	France	26.71	00:55.57	Q
15	15 (7)	Aleksandra Gerasimenya	Belarus	26.43	00:55.59	Q
16	17 (1)	Vanessa García	Puerto Rico	26.31	00:55.69	Q
17	12 (4)	Jeanette Ottesen	Denmark	26.78	00:55.99
18	16 (6)	Pang Jiaying	China	26.83	00:56.03
18	17 (8)	Lauren Boyle	New Zealand	27.19	00:56.03
20	12 (6)	Ragnheidur Ragnarsdottir	Iceland	26.80	00:56.06
21	13 (1)	Jana Myskova	Czech Republic	27.36	00:56.24
22	16 (8)	Victoria Poon	Canada	26.61	00:56.30
23	13 (3)	Arlene Semeco	Venezuela	26.75	00:56.35
24	14 (6)	Keo Ra Lee	South Korea	27.66	00:56.44
25	13 (4)	Sviatlana Khakhlova	Belarus	26.49	00:56.52
25	15 (3)	Martina Moravcová	Slovakia	27.10	00:56.52
27	11 (3)	Ganna Dzerkal	Ukraine	26.95	00:56.53
28	17 (7)	Cristina Chiuso	Italy	26.84	00:56.56
29	15 (8)	Magdalena Kuras	Sweden	26.81	00:56.58
30	13 (5)	Jana Kolukanova	Estonia	26.94	00:56.67
31	12 (3)	Birgit Koschischek	Austria	27.23	00:56.75
32	12 (1)	Elina Partõka	Estonia	27.60	00:56.90
32	14 (5)	Flávia Delaroli	Brazil	26.63	00:56.90
34	10 (8)	Karin Prinsloo	South Africa	27.54	00:57.06
35	14 (8)	Hannah Wilson	Hong Kong	27.44	00:57.08
36	12 (7)	Miroslava Najdanovski	Serbia	26.83	00:57.11
36	16 (1)		Romania	27.23	00:57.11
38	14 (2)		Belgium	27.48	00:57.18
39	13 (7)	Haruka Ueda	Japan	27.97	00:57.21
40	14 (3)	Petra Klosova	Czech Republic	27.55	00:57.28
41	12 (2)	Oxana Serikova	Ukraine	27.04	00:57.29
42	13 (2)	Chin Kuei Yang	Chinese Taipei	27.51	00:57.30
43	12 (5)		Russia	27.62	00:57.48
44	10 (5)	Melanie Nocher	Ireland	27.90	00:57.72
45	11 (6)	Caroline Pickering Puamau	Fiji	27.83	00:57.85
45	14 (4)		Belgium	27.69	00:57.85
47	13 (8)	Pin Chieh Nieh	Chinese Taipei	28.23	00:57.93
48	8 (1)	Heather Brand	Zimbabwe	27.84	00:57.95
49	12 (8)		Thailand	28.10	00:58.03
50	11 (5)		Tunisia	27.74	00:58.07
51	11 (8)		Ecuador	28.32	00:58.21
52	11 (4)	Hang Yu Sze	Hong Kong	27.67	00:58.25
53	9 (4)	Madeleine Scerri	Malta	28.77	00:58.47
54	9 (3)	Carolina Colorado	Colombia	27.92	00:58.60
55	14 (1)	Heysi Villarreal Navarro	Cuba	28.04	00:58.61
56	9 (6)	Natasha Moodie	Jamaica	28.38	00:58.65
57	11 (7)	Anna Stylianou	Cyprus	28.05	00:58.78
58	10 (6)	Alexia Pamela Benitez Quijada	El Salvador	28.48	00:58.84
59	10 (2)		Denmark	28.30	00:58.85
60	10 (7)	Mylene Ong	Singapore	28.50	00:59.01
61	10 (3)		Venezuela	27.98	00:59.10
62	10 (4)		Ecuador	28.08	00:59.25
63	11 (1)		Thailand	28.72	00:59.48
64	7 (1)	Sharntelle McLean	Trinidad and Tobago	28.43	00:59.51
65	11 (2)	Cecilia Elizabeth Biagioli	Argentina	28.52	00:59.52
66	10 (1)		Singapore	28.57	00:59.55
67	8 (3)	Anna-Liza Mopio-Jane	Papua New Guinea	28.15	00:59.84
68	9 (7)	Irina Shlemova	Uzbekistan	28.55	00:59.90
69	9 (1)		Chile	29.17	1:00.08
70	8 (5)		Zimbabwe	28.71	1:00.09
70	8 (8)	Ellen Hight	Zambia	28.79	1:00.09
72	7 (5)		Costa Rica	28.87	1:00.10
73	6 (5)		Indonesia	28.37	1:00.49
74	8 (4)		Macau	28.73	1:00.52
75	7 (8)		Costa Rica	29.23	1:00.69
76	7 (6)	Elena Popovska	North Macedonia	29.36	1:00.73
77	8 (6)		Indonesia	28.87	1:00.80
78	9 (5)	Khadija Ciss	Senegal	29.15	1:01.05
79	3 (6)		India	29.37	1:01.51
80	6 (1)		Mozambique	29.63	1:01.55
80	6 (8)		Malta	30.16	1:01.55
82	6 (2)		Grenada	29.22	1:01.60
83	4 (8)	Jessica Teixeira Vieira	Mozambique	29.44	1:01.78
84	7 (4)	Ngozi Monu	Nigeria	29.14	1:01.88
85	5 (3)	Emma Hunter	Samoa	29.42	1:01.89
86	6 (7)		Namibia	29.77	1:02.04
87	6 (4)		Peru	29.74	1:02.17
88	6 (6)		Netherlands Antilles	29.33	1:02.18
89	5 (2)		India	29.33	1:02.27
90	8 (2)		Jordan	29.99	1:02.29
91	8 (7)	Rachel Ah Koy	Fiji	29.87	1:02.41
92	7 (2)		Peru	30.20	1:02.52
93	5 (5)	Tojohanitra     Andriamanjatoprimamama	Madagascar	29.45	1:02.60
94	5 (4)		Papua New Guinea	30.14	1:02.89
95	6 (3)	Matana Wellman	Zambia	29.31	1:02.99
96	4 (1)		Faroe Islands	30.56	1:03.01
97	3 (5)	Dashtserengiin Saintsetseg	Mongolia	30.15	1:03.04
98	4 (4)		Seychelles	30.51	1:03.09
99	5 (6)		Namibia	30.58	1:03.46
100	7 (3)		Malaysia	30.50	1:03.69
101	5 (1)	Rovena Marku	Albania	30.36	1:03.72
102	4 (2)		Nicaragua	30.31	1:03.84
103	4 (7)	Karen Torrez	Bolivia	30.72	1:04.04
104	7 (7)	Razan Taha	Jordan	30.20	1:04.06
105	3 (4)	Binta Zahra Diop	Senegal	30.88	1:04.09
106	4 (5)		Uzbekistan	30.21	1:04.17
107	4 (6)	Dohi Eliane Droubry	Ivory Coast	30.19	1:04.47
108	2 (4)	Kiran Khan	Pakistan	30.39	1:04.69
109	2 (5)		Guam	30.67	1:05.23
110	5 (8)		Nigeria	31.47	1:05.34
111	4 (3)		Mauritius	31.01	1:05.65
112	5 (7)		Mauritius	31.38	1:05.70
113	3 (1)		Seychelles	30.59	1:06.12
114	3 (8)		Mongolia	31.83	1:06.28
115	2 (7)		Northern Mariana Islands	31.91	1:06.56
116	2 (2)		Kenya	31.80	1:06.58
117	3 (3)		Madagascar	31.79	1:06.90
118	2 (6)		Maldives	31.73	1:07.11
119	2 (8)		Samoa	31.97	1:07.61
120	3 (2)		Brunei	31.67	1:09.07
121	1 (4)	Olivia Aya Nakitanda	Uganda	33.19	1:09.76
122	2 (1)	Julianne Kirchner	Marshall Islands	32.98	1:10.62
123	1 (3)	Amber Sikosang Yobech	Palau	33.53	1:10.65
124	1 (2)		Palau	34.80	1:14.76
125	1 (1)		Tanzania	35.01	1:15.87
126	1 (5)	Olga Hachatryan	Turkmenistan	34.01	1:16.91
127	1 (7)		Maldives	38.33	1:22.74
128	2 (3)		Libya	37.48	1:25.88
999	1 (6)	Katerina Izmailova	Tajikistan	DNS	999
999	3 (7)		Angola	DNS	999
999	9 (2)		South Africa	DNS	999
999	13 (6)	Maria Fuster Martinez	Spain	DNS	999
999	15 (1)		Mauritania	DNS	999
999	17 (3)	Petra Dallmann	Germany	DNS	999
999	9 (8)	Sharon Paola Fajardo Sierra	Honduras	DSQ	999

References[]

• "2007 World Championships results: Women's 100m freestyle--Prelims" (PDF). OmegaTiming.com (official timer).
• "2007 World Championships results: Women's 100m freestyle--Semifinals" (PDF). OmegaTiming.com (official timer).
• "2007 World Championships results: Women's 100m freestyle--Finals" (PDF). OmegaTiming.com (official timer). Archived from the original (PDF) on 6 April 2007.