| | Event type
100 metres Breaststroke, Girls
| Date | 17 – 18 August 2010 |
|---|---|
| Status | YOG |
| Location | Singapore Sports School, Singapore |
| Participants | 30 from 27 countries |
| Pos | Swimmer | NOC | R1 | SF | Final | |||
|---|---|---|---|---|---|---|---|---|
| 1 | Tera Van Beilen |  CAN | 1:11.24 (1 h4) | 1:09.93 (2 h1) | 1:08.95 (1) | Gold | ||
| 2 | Emily Selig |  AUS | 1:10.57 (1 h3) | 1:09.84 (1 h1) | 1:09.06 (2) | Silver | ||
| 3 | Rachel Nicol | CAN | 1:09.87 (1 h5) | 1:09.22 (1 h2) | 1:09.18 (3) | Bronze | ||
| 4 | Maya Hamano |  JPN | 1:11.32 (2 h4) | 1:10.91 (3 h2) | 1:10.18 (4) | |||
| 5 | Maria Michalaka |  GRE | 1:10.77 (2 h5) | 1:10.55 (2 h2) | 1:10.41 (5) | |||
| 6 | Martina Carraro |  ITA | 1:13.09 (6 h4) | 1:11.76 (4 h1) | 1:10.95 (6) | |||
| 7 | Noora Laukkanen |  FIN | 1:11.73 (2 h3) | 1:11.75 (4 h2) | 1:11.39 (7) | |||
| 8 | Urtė Kazakevičiūtė |  LTU | 1:11.67 (3 h5) | 1:11.63 (3 h1) | 1:11.63 (8) | |||
| 9 | Lina Rathsack |  GER | 1:13.08 (5 h4) | 1:12.03 (5 h2) | – | |||
| 10 | Tjaša Vozel |  SLO | 1:12.27 (3 h4) | 1:12.28 (5 h1) | – | |||
| 11 | Tina Meža | SLO | 1:13.28 (3 h3) | 1:12.33 (6 h2) | – | |||
| 12 | Yvette Kong |  HKG | 1:13.31 (4 h3) | 1:12.67 (6 h1) | – | |||
| 13 | Olga Detenyuk |  RUS | 1:12.68 (4 h5) | 1:12.68 (7 h2) | – | |||
| 14 | Chloe Francis |  NZL | 1:13.38 (5 h5) | 1:13.03 (8 h2) | – | |||
| 15 | Teresa Gutiérrez |  ESP | 1:12.75 (4 h4) | 1:13.15 (7 h1) | – | |||
| 16 | Taryn MacKenzie |  RSA | 1:13.46 (1 h2) | 1:13.46 (8 h1) | – | |||
| 17 | Wang Chang |  CHN | 1:13.50 (6 h5) | – | – | |||
| 18 | Yuliya Litvina |  KAZ | 1:13.55 (5 h3) | – | – | |||
| 19 | Jolien Vermeylen |  BEL | 1:13.85 (6 h3) | – | – | |||
| 20 | Aurélie Waltzing |  LUX | 1:14.11 (2 h2) | – | – | |||
| 21 | Cheryl Lim |  SGP | 1:14.38 (3 h2) | – | – | |||
| 22 | Evghenia Tanasienco |  MDA | 1:14.47 (7 h4) | – | – | |||
| 23 | Mijal Asis |  ARG | 1:14.54 (4 h2) | – | – | |||
| 24 | Ana Rodrigues |  POR | 1:15.31 (7 h3) | – | – | |||
| 25 | Aurélia Trnovcová |  SVK | 1:15.99 (8 h4) | – | – | |||
| 26 | Maria Carolina Rosa | POR | 1:16.40 (7 h5) | – | – | |||
| 27 | Carolina Bergamaschi |  BRA | 1:16.42 (8 h3) | – | – | |||
| 28 | Katarina Đurđević |  MNE | 1:18.21 (5 h2) | – | – | |||
| 29 | Brigitte Rasmussen |  ISV | 1:20.38 (1 h1) | – | – | |||
| 30 | Mariana Henriques |  ANG | 1:26.96 (2 h1) | – | – | |||
| Maimouna Boubacar Badie |  NIG | – (DNS h1) | – | – | ||||
| Ho Kum-Jong |  PRK | – (DNS h2) | – | – |
Round One (17 August 2010 — 9:35)
Top 16 times advanced to semi-finals.
Heat #1 (9:35)
| Pos | Lane | Swimmer | NOC | Time | |||
|---|---|---|---|---|---|---|---|
| 1 | – | Brigitte Rasmussen | ISV | 1:20.38 | |||
| 2 | – | Mariana Henriques | ANG | 1:26.96 | |||
| – | Maimouna Boubacar Badie | NIG | – |
Heat #2
| Pos | Lane | Swimmer | NOC | Time | |||
|---|---|---|---|---|---|---|---|
| 1 | – | Taryn MacKenzie | RSA | 1:13.46 | |||
| 2 | – | Aurélie Waltzing | LUX | 1:14.11 | |||
| 3 | – | Cheryl Lim | SGP | 1:14.38 | |||
| 4 | – | Mijal Asis | ARG | 1:14.54 | |||
| 5 | – | Katarina Đurđević | MNE | 1:18.21 | |||
| – | Ho Kum-Jong | PRK | – |
Heat #3
| Pos | Lane | Swimmer | NOC | Time | |||
|---|---|---|---|---|---|---|---|
| 1 | – | Emily Selig | AUS | 1:10.57 | |||
| 2 | – | Noora Laukkanen | FIN | 1:11.73 | |||
| 3 | – | Tina Meža | SLO | 1:13.28 | |||
| 4 | – | Yvette Kong | HKG | 1:13.31 | |||
| 5 | – | Yuliya Litvina | KAZ | 1:13.55 | |||
| 6 | – | Jolien Vermeylen | BEL | 1:13.85 | |||
| 7 | – | Ana Rodrigues | POR | 1:15.31 | |||
| 8 | – | Carolina Bergamaschi | BRA | 1:16.42 |
Heat #4
| Pos | Lane | Swimmer | NOC | Time | |||
|---|---|---|---|---|---|---|---|
| 1 | – | Tera Van Beilen | CAN | 1:11.24 | |||
| 2 | – | Maya Hamano | JPN | 1:11.32 | |||
| 3 | – | Tjaša Vozel | SLO | 1:12.27 | |||
| 4 | – | Teresa Gutiérrez | ESP | 1:12.75 | |||
| 5 | – | Lina Rathsack | GER | 1:13.08 | |||
| 6 | – | Martina Carraro | ITA | 1:13.09 | |||
| 7 | – | Evghenia Tanasienco | MDA | 1:14.47 | |||
| 8 | – | Aurélia Trnovcová | SVK | 1:15.99 |
Heat #5
| Pos | Lane | Swimmer | NOC | Time | |||
|---|---|---|---|---|---|---|---|
| 1 | – | Rachel Nicol | CAN | 1:09.87 | |||
| 2 | – | Maria Michalaka | GRE | 1:10.77 | |||
| 3 | – | Urtė Kazakevičiūtė | LTU | 1:11.67 | |||
| 4 | – | Olga Detenyuk | RUS | 1:12.68 | |||
| 5 | – | Chloe Francis | NZL | 1:13.38 | |||
| 6 | – | Wang Chang | CHN | 1:13.50 | |||
| 7 | – | Maria Carolina Rosa | POR | 1:16.40 |
Semi-Finals (17 August 2010 — 19:03)
Top 8 times advanced to final.
Heat #1 (19:03)
| Pos | Lane | Swimmer | NOC | Time | |||
|---|---|---|---|---|---|---|---|
| 1 | – | Emily Selig | AUS | 1:09.84 | |||
| 2 | – | Tera Van Beilen | CAN | 1:09.93 | |||
| 3 | – | Urtė Kazakevičiūtė | LTU | 1:11.63 | |||
| 4 | – | Martina Carraro | ITA | 1:11.76 | |||
| 5 | – | Tjaša Vozel | SLO | 1:12.28 | |||
| 6 | – | Yvette Kong | HKG | 1:12.67 | |||
| 7 | – | Teresa Gutiérrez | ESP | 1:13.15 | |||
| 8 | – | Taryn MacKenzie | RSA | 1:13.46 |
Heat #2
| Pos | Lane | Swimmer | NOC | Time | |||
|---|---|---|---|---|---|---|---|
| 1 | – | Rachel Nicol | CAN | 1:09.22 | |||
| 2 | – | Maria Michalaka | GRE | 1:10.55 | |||
| 3 | – | Maya Hamano | JPN | 1:10.91 | |||
| 4 | – | Noora Laukkanen | FIN | 1:11.75 | |||
| 5 | – | Lina Rathsack | GER | 1:12.03 | |||
| 6 | – | Tina Meža | SLO | 1:12.33 | |||
| 7 | – | Olga Detenyuk | RUS | 1:12.68 | |||
| 8 | – | Chloe Francis | NZL | 1:13.03 |
Final Round, Final (18 August 2010 — 19:07)
| Pos | Lane | Swimmer | NOC | Time | |||
|---|---|---|---|---|---|---|---|
| 1 | – | Tera Van Beilen | CAN | 1:08.95 | |||
| 2 | – | Emily Selig | AUS | 1:09.06 | |||
| 3 | – | Rachel Nicol | CAN | 1:09.18 | |||
| 4 | – | Maya Hamano | JPN | 1:10.18 | |||
| 5 | – | Maria Michalaka | GRE | 1:10.41 | |||
| 6 | – | Martina Carraro | ITA | 1:10.95 | |||
| 7 | – | Noora Laukkanen | FIN | 1:11.39 | |||
| 8 | – | Urtė Kazakevičiūtė | LTU | 1:11.63 |