Swimming at the 2010 Summer Youth Olympics – Girls' 100 metre breaststroke

The women's 100 metre breaststroke heats and semifinals at the 2010 Youth Olympic Games took place on August 17 with the final on August 18 at the Singapore Sports School.

Rank	Lane	Name	Nationality	Time	Notes
1	4	Brigitte Rasmussen	Virgin Islands	1:20.38
2	3	Mariana Henriques	Angola	1:26.96
3	5	Maimouna Boubacar Badie	Niger		DNS

Rank	Lane	Name	Nationality	Time	Notes
1	2	Taryn Mackenzie	South Africa	1:13.46	Q
2	5	Aurelie Waltzing	Luxembourg	1:14.11
3	3	Yin Jing Cheryl Lim	Singapore	1:14.38
4	4	Mijal Asis	Argentina	1:14.54
5	7	Katarina Đurđević	Montenegro	1:18.21
6	6	Kum Jong Ho	North Korea		DNS

Rank	Lane	Name	Nationality	Time	Notes
1	7	Emily Selig	Australia	1:10.57	Q
2	3	Noora Laukkanen	Finland	1:11.73	Q
3	5	Tina Meža	Slovenia	1:13.28	Q
4	4	Yvette Man-Yi Kong	Hong Kong	1:13.31	Q
5	2	Yuliya Litvina	Kazakhstan	1:13.55
6	8	Jolien Vermeylen	Belgium	1:13.85
7	6	Ana de Pinho Rodrigues	Portugal	1:15.31
8	1	Carolina Bergamaschi	Brazil	1:16.42

Rank	Lane	Name	Nationality	Time	Notes
1	5	Tera van Beilen	Canada	1:11.24	Q
2	6	Maya Hamano	Japan	1:11.32	Q
3	3	Tjaša Vozelj	Slovenia	1:12.27	Q
4	1	Teresa Gutierrez	Spain	1:12.75	Q
5	2	Lina Rathsack	Germany	1:13.08	Q
6	4	Martina Carraro	Italy	1:13.09	Q
7	7	Evghenia Tanasienco	Moldova	1:14.47
8	8	Aurelia Trnovcova	Slovakia	1:15.99

Medalists

Rank	Lane	Name	Nationality	Time	Notes
1	6	Rachel Nicol	Canada	1:08.87	Q
2	5	Maria Georgia Michalaka	Greece	1:10.77	Q
3	7	Urtė Kazakevičiūtė	Lithuania	1:11.67	Q
4	3	Olga Detenyuk	Russia	1:12.68	Q
5	1	Chloe Francis	New Zealand	1:13.38	Q
6	2	Wang Chang	China	1:13.50
7	8	Maria Carolina da Costa Rosa	Portugal	1:16.40