| | Event type
100 metres Butterfly, Girls
| Date | 19 – 20 August 2010 |
|---|---|
| Status | YOG |
| Location | Singapore Sports School, Singapore |
| Participants | 33 from 30 countries |
| Pos | Swimmer | NOC | R1 | SF | Final | |||
|---|---|---|---|---|---|---|---|---|
| 1 | Liu Lan |  CHN | 1:01.24 (=2 h4) | 1:00.28 (1 h2) | 59.67 (1) | Gold | ||
| 2 | Judit Ignacio |  ESP | 1:00.93 (1 h4) | 1:00.87 (1 h1) | 1:00.07 (2) | Silver | ||
| 3 | Rachael Kelly |  GBR | 1:01.30 (1 h3) | 1:01.30 (4 h1) | 1:00.26 (3) | Bronze | ||
| 4 | Katarína Listopadová |  SVK | 1:02.12 (2 h1) | 1:01.27 (3 h1) | 1:00.35 (4) | |||
| 5 | Lindsay Delmar |  CAN | 1:00.69 (1 h5) | 1:00.62 (2 h2) | 1:00.37 (5) | |||
| 6 | Kristina Kochetkova |  RUS | 1:01.08 (3 h5) | 1:00.99 (2 h1) | 1:01.04 (6) | |||
| 7 | Anna Martí | ESP | 1:02.12 (5 h4) | 1:01.41 (4 h2) | 1:01.38 (7) | |||
| 8 | Elena Di Liddo |  ITA | 1:00.98 (2 h5) | 1:00.95 (3 h2) | – ( | |||
| 9 | Alessia Polieri | ITA | 1:01.49 (4 h4) | 1:01.44 (5 h1) | – | |||
| 10 | Katja Hajdinjak |  SLO | 1:02.06 (2 h3) | 1:01.50 (5 h2) | – | |||
| 11 | Nguyễn Thị Kim Tuyến |  VIE | 1:01.40 (4 h5) | 1:01.56 (6 h2) | – | |||
| 12 | Érika Torrellas |  VEN | 1:01.72 (1 h1) | 1:01.78 (6 h1) | – | |||
| 13 | Lena Kalla |  GER | 1:01.71 (5 h5) | 1:01.94 (7 h2) | – | |||
| 14 | Zoe Johnson |  AUS | 1:02.31 (6 h5) | 1:02.24 (8 h2) | – | |||
| 15 | Noora Laukkanen |  FIN | 1:02.30 (6 h4) | 1:02.33 (7 h1) | – | |||
| 16 | Patarawadee Kittiya |  THA | 1:02.60 (3 h3) | – (DNS h1) | – | |||
| 17 | Lovisa Eriksson |  SWE | 1:01.24 (=2 h4) | – | – | |||
| 18 | Danielle Villars |  SUI | 1:02.80 (4 h3) | – | – | |||
| 19 | Anna Schegoleva |  CYP | 1:02.92 (5 h3) | – | – | |||
| 20 | Bruna Rocha |  BRA | 1:03.07 (6 h3) | – | – | |||
| 21 | Mayuko Okada |  JPN | 1:03.75 (7 h5) | – | – | |||
| 22 | So Lizar |  PUR | 1:03.90 (3 h1) | – | – | |||
| 23 | Diana Ambrus |  HUN | 1:04.14 (7 h3) | – | – | |||
| 24 | Jasmine Alkhaldi |  PHI | 1:04.41 (8 h5) | – | – | |||
| 25 | Katarina Simonović |  SRB | 1:05.49 (7 h4) | – | – | |||
| 26 | Bryndís Hansen |  ISL | 1:05.56 (8 h3) | – | – | |||
| 27 | Ellie Faulkner | GBR | 1:05.78 (1 h2) | – | – | |||
| 28 | Khadeja Phillip |  TTO | 1:06.35 (2 h2) | – | – | |||
| 29 | Lara Butler |  CAY | 1:07.59 (3 h2) | – | – | |||
| 30 | Arhatha Magavi |  IND | 1:09.35 (8 h4) | – | – | |||
| 31 | Gessica Stagno |  MOZ | 1:10.46 (4 h2) | – | – | |||
| 32 | Sonia Akter |  BAN | 1:14.52 (5 h2) | – | – | |||
| Erdenebileg Sürennyam |  MGL | – (DQ h2) | – | – |
Round One (19 August 2010 — 9:54)
Top 16 times advanced to semi-finals.
Heat #1 (9:54)
| Pos | Lane | Swimmer | NOC | Time | |||
|---|---|---|---|---|---|---|---|
| 1 | – | Érika Torrellas | VEN | 1:01.72 | |||
| 2 | – | Katarína Listopadová | SVK | 1:02.12 | |||
| 3 | – | So Lizar | PUR | 1:03.90 |
Heat #2
| Pos | Lane | Swimmer | NOC | Time | |||
|---|---|---|---|---|---|---|---|
| 1 | – | Ellie Faulkner | GBR | 1:05.78 | |||
| 2 | – | Khadeja Phillip | TTO | 1:06.35 | |||
| 3 | – | Lara Butler | CAY | 1:07.59 | |||
| 4 | – | Gessica Stagno | MOZ | 1:10.46 | |||
| 5 | – | Sonia Akter | BAN | 1:14.52 | |||
| – | Erdenebileg Sürennyam | MGL | – |
Heat #3
| Pos | Lane | Swimmer | NOC | Time | |||
|---|---|---|---|---|---|---|---|
| 1 | – | Rachael Kelly | GBR | 1:01.30 | |||
| 2 | – | Katja Hajdinjak | SLO | 1:02.06 | |||
| 3 | – | Patarawadee Kittiya | THA | 1:02.60 | 1 | ||
| 4 | – | Danielle Villars | SUI | 1:02.80 | |||
| 5 | – | Anna Schegoleva | CYP | 1:02.92 | |||
| 6 | – | Bruna Rocha | BRA | 1:03.07 | |||
| 7 | – | Diana Ambrus | HUN | 1:04.14 | |||
| 8 | – | Bryndís Hansen | ISL | 1:05.56 |
Heat #4
| Pos | Lane | Swimmer | NOC | Time | |||
|---|---|---|---|---|---|---|---|
| 1 | – | Judit Ignacio | ESP | 1:00.93 | |||
| =2 | – | Lovisa Eriksson | SWE | 1:01.24 | 2 | ||
| =2 | – | Liu Lan | CHN | 1:01.24 | |||
| 4 | – | Alessia Polieri | ITA | 1:01.49 | |||
| 5 | – | Anna Martí | ESP | 1:02.12 | |||
| 6 | – | Noora Laukkanen | FIN | 1:02.30 | |||
| 7 | – | Katarina Simonović | SRB | 1:05.49 | |||
| 8 | – | Arhatha Magavi | IND | 1:09.35 |
Heat #5
| Pos | Lane | Swimmer | NOC | Time | |||
|---|---|---|---|---|---|---|---|
| 1 | – | Lindsay Delmar | CAN | 1:00.69 | |||
| 2 | – | Elena Di Liddo | ITA | 1:00.98 | |||
| 3 | – | Kristina Kochetkova | RUS | 1:01.08 | |||
| 4 | – | Nguyễn Thị Kim Tuyến | VIE | 1:01.40 | |||
| 5 | – | Lena Kalla | GER | 1:01.71 | |||
| 6 | – | Zoe Johnson | AUS | 1:02.31 | |||
| 7 | – | Mayuko Okada | JPN | 1:03.75 | |||
| 8 | – | Jasmine Alkhaldi | PHI | 1:04.41 |
Semi-Finals (19 August 2010 — 18:33)
Top 8 times advanced to final.
Heat #1 (18:33)
| Pos | Lane | Swimmer | NOC | Time | |||
|---|---|---|---|---|---|---|---|
| 1 | – | Judit Ignacio | ESP | 1:00.87 | |||
| 2 | – | Kristina Kochetkova | RUS | 1:00.99 | |||
| 3 | – | Katarína Listopadová | SVK | 1:01.27 | |||
| 4 | – | Rachael Kelly | GBR | 1:01.30 | |||
| 5 | – | Alessia Polieri | ITA | 1:01.44 | |||
| 6 | – | Érika Torrellas | VEN | 1:01.78 | |||
| 7 | – | Noora Laukkanen | FIN | 1:02.33 | |||
| – | Patarawadee Kittiya | THA | – |
Heat #2
| Pos | Lane | Swimmer | NOC | Time | |||
|---|---|---|---|---|---|---|---|
| 1 | – | Liu Lan | CHN | 1:00.28 | |||
| 2 | – | Lindsay Delmar | CAN | 1:00.62 | |||
| 3 | – | Elena Di Liddo | ITA | 1:00.95 | |||
| 4 | – | Anna Martí | ESP | 1:01.41 | |||
| 5 | – | Katja Hajdinjak | SLO | 1:01.50 | |||
| 6 | – | Nguyễn Thị Kim Tuyến | VIE | 1:01.56 | |||
| 7 | – | Lena Kalla | GER | 1:01.94 | |||
| 8 | – | Zoe Johnson | AUS | 1:02.24 |
Final Round, Final (20 August 2010 — 18:37)
| Pos | Lane | Swimmer | NOC | Time | |||
|---|---|---|---|---|---|---|---|
| 1 | – | Liu Lan | CHN | 59.67 | |||
| 2 | – | Judit Ignacio | ESP | 1:00.07 | |||
| 3 | – | Rachael Kelly | GBR | 1:00.26 | |||
| 4 | – | Katarína Listopadová | SVK | 1:00.35 | |||
| 5 | – | Lindsay Delmar | CAN | 1:00.37 | |||
| 6 | – | Kristina Kochetkova | RUS | 1:01.04 | |||
| 7 | – | Anna Martí | ESP | 1:01.38 | |||
| – | Elena Di Liddo | ITA | – |