| Date | 16 August 2010 | 
|---|---|
| Status | YOG | 
| Location | Singapore Sports School, Singapore | 
| Participants | 23 from 21 countries | 
| Pos | Swimmer | NOC | R1 | Final | |||
|---|---|---|---|---|---|---|---|
| 1 | Boglárka Kapás |  HUN | 2:11.97 (1 h3) | 2:08.72 (1) | Gold | ||
| 2 | Judit Ignacio |  ESP | 2:12.59 (1 h1) | 2:10.11 (2) | Silver | ||
| 3 | Liu Lan |  CHN | 2:15.51 (2 h2) | 2:11.94 (3) | Bronze | ||
| 4 | Diana Ambrus |  HUN | 2:13.88 (2 h1) | 2:12.90 (4) | |||
| 5 | Júlia Gerotto |  BRA | 2:14.61 (3 h3) | 2:13.74 (5) | |||
| 6 | Lena Kalla |  GER | 2:15.39 (1 h2) | 2:14.11 (6) | |||
| =7 | Lindsay Delmar |  CAN | 2:14.86 (4 h3) | 2:15.01 (=7) | |||
| =7 | Alessia Polieri |  ITA | 2:14.14 (2 h3) | 2:15.01 (=7) | |||
| 9 | Nguyễn Thị Kim Tuyến |  VIE | 2:15.53 (3 h1) | – | |||
| 10 | Stefania Pirozzi |  ITA | 2:15.59 (3 h2) | – | |||
| 11 | Patarawadee Kittiya |  THA | 2:15.99 (4 h1) | – | |||
| 12 | Rachael Kelly |  GBR | 2:16.95 (4 h2) | – | |||
| 13 | Julia Hassler |  LIE | 2:18.53 (5 h3) | – | |||
| 14 | Barbora Závadová |  CZE | 2:18.55 (6 h3) | – | |||
| 15 | Mayuko Okada |  JPN | 2:18.72 (5 h1) | – | |||
| 16 | Chen Ting |  TPE | 2:20.58 (6 h1) | – | |||
| 17 | Nesrine Khelifati |  TUN | 2:20.67 (5 h2) | – | |||
| 18 | Annick van Westendorp |  SUI | 2:20.91 (6 h2) | – | |||
| 19 | So Lizar |  PUR | 2:21.25 (7 h1) | – | |||
| 20 | Zoe Johnson |  AUS | 2:21.54 (7 h2) | – | |||
| 21 | Arhatha Magavi |  IND | 2:32.91 (7 h3) | – | |||
| 22 | Tieri Erasito |  FIJ | 2:35.59 (8 h1) | – | |||
| 23 | Karlene van der Jagt |  SUR | 2:37.17 (8 h3) | – | |||
| Anna Schegoleva |  CYP | – (DNS h2) | – | 
Top 8 times advanced to final.
| Pos | Lane | Swimmer | NOC | Time | |||
|---|---|---|---|---|---|---|---|
| 1 | – | Judit Ignacio |  ESP | 2:12.59 | |||
| 2 | – | Diana Ambrus |  HUN | 2:13.88 | |||
| 3 | – | Nguyễn Thị Kim Tuyến |  VIE | 2:15.53 | |||
| 4 | – | Patarawadee Kittiya |  THA | 2:15.99 | |||
| 5 | – | Mayuko Okada |  JPN | 2:18.72 | |||
| 6 | – | Chen Ting |  TPE | 2:20.58 | |||
| 7 | – | So Lizar |  PUR | 2:21.25 | |||
| 8 | – | Tieri Erasito |  FIJ | 2:35.59 | 
| Pos | Lane | Swimmer | NOC | Time | |||
|---|---|---|---|---|---|---|---|
| 1 | – | Lena Kalla |  GER | 2:15.39 | |||
| 2 | – | Liu Lan |  CHN | 2:15.51 | |||
| 3 | – | Stefania Pirozzi |  ITA | 2:15.59 | |||
| 4 | – | Rachael Kelly |  GBR | 2:16.95 | |||
| 5 | – | Nesrine Khelifati |  TUN | 2:20.67 | |||
| 6 | – | Annick van Westendorp |  SUI | 2:20.91 | |||
| 7 | – | Zoe Johnson |  AUS | 2:21.54 | |||
| – | Anna Schegoleva |  CYP | – | 
| Pos | Lane | Swimmer | NOC | Time | |||
|---|---|---|---|---|---|---|---|
| 1 | – | Boglárka Kapás |  HUN | 2:11.97 | |||
| 2 | – | Alessia Polieri |  ITA | 2:14.14 | |||
| 3 | – | Júlia Gerotto |  BRA | 2:14.61 | |||
| 4 | – | Lindsay Delmar |  CAN | 2:14.86 | |||
| 5 | – | Julia Hassler |  LIE | 2:18.53 | |||
| 6 | – | Barbora Závadová |  CZE | 2:18.55 | |||
| 7 | – | Arhatha Magavi |  IND | 2:32.91 | |||
| 8 | – | Karlene van der Jagt |  SUR | 2:37.17 | 
| Pos | Lane | Swimmer | NOC | Time | |||
|---|---|---|---|---|---|---|---|
| 1 | – | Boglárka Kapás |  HUN | 2:08.72 | |||
| 2 | – | Judit Ignacio |  ESP | 2:10.11 | |||
| 3 | – | Liu Lan |  CHN | 2:11.94 | |||
| 4 | – | Diana Ambrus |  HUN | 2:12.90 | |||
| 5 | – | Júlia Gerotto |  BRA | 2:13.74 | |||
| 6 | – | Lena Kalla |  GER | 2:14.11 | |||
| =7 | – | Lindsay Delmar |  CAN | 2:15.01 | |||
| =7 | – | Alessia Polieri |  ITA | 2:15.01 |