| Date | 19 August 2014 | 
|---|---|
| Status | YOG | 
| Location | Nanjing Olympic Sports Centre Natatorium, Nanjing Olympic Sports Centre, Jiangning, Nanjing | 
| Participants | 23 from 22 countries | 
| Pos | Swimmer | NOC | R1 | Final | |||
|---|---|---|---|---|---|---|---|
| 1 | Ippei Watanabe |  JPN | 2:15.50 (2 h3) | 2:11.31 (1) | Gold | ||
| 2 | Carlos Claverie |  VEN | 2:14.02 (1 h1) | 2:11.74 (2) | Silver | ||
| 3 | Anton Chupkov |  RUS | 2:15.46 (1 h3) | 2:11.87 (3) | Bronze | ||
| 4 | Max Pilger |  GER | 2:14.65 (2 h1) | 2:11.97 (4) | |||
| 5 | Dávid Horváth |  HUN | 2:15.69 (1 h2) | 2:12.39 (5) | |||
| 6 | Jarred Crous |  RSA | 2:16.65 (2 h2) | 2:15.52 (6) | |||
| 7 | Cai Bing-Rong |  TPE | 2:15.78 (3 h1) | 2:16.89 (7) | |||
| 8 | Andreas Mickosz |  BRA | 2:16.62 (3 h3) | 2:17.17 (8) | |||
| 9 | Luca Pfyffer |  SUI | 2:16.76 (3 h2) | – | |||
| 10 | Luis Jasso |  MEX | 2:17.25 (4 h3) | – | |||
| 11 | Koki Tsunefuka |  JPN | 2:17.28 (4 h1) | – | |||
| 12 | Kim Jae-Youn |  KOR | 2:17.40 (5 h3) | – | |||
| 13 | Basten Caerts |  BEL | 2:17.64 (6 h3) | – | |||
| 14 | Jean Dencausse |  FRA | 2:17.77 (4 h2) | – | |||
| 15 | Jacob Garrod |  NZL | 2:18.00 (5 h2) | – | |||
| 16 | Josué Domínguez |  DOM | 2:18.10 (7 h3) | – | |||
| 17 | Paulius Grigaliūnas |  LTU | 2:18.32 (5 h1) | – | |||
| 18 | Andrei Roman |  ROU | 2:18.72 (8 h3) | – | |||
| 19 | Vĩ Huỳnh Thế |  VIE | 2:21.45 (6 h1) | – | |||
| 20 | Grayson Bell |  AUS | 2:21.70 (6 h2) | – | |||
| 21 | Mohamed Ali Fekiri |  TUN | 2:22.37 (7 h2) | – | |||
| 22 | Arnoldo Herrera |  CRC | 2:27.46 (8 h2) | – | |||
| 23 | Sutton Choi |  HKG | 2:29.98 (7 h1) | – | 
Fastest 8 swimmers to final round.
| Pos | Lane | Swimmer | NOC | Time | |||
|---|---|---|---|---|---|---|---|
| 1 | – | Carlos Claverie |  VEN | 2:14.02 | |||
| 2 | – | Max Pilger |  GER | 2:14.65 | |||
| 3 | – | Cai Bing-Rong |  TPE | 2:15.78 | |||
| 4 | – | Koki Tsunefuka |  JPN | 2:17.28 | |||
| 5 | – | Paulius Grigaliūnas |  LTU | 2:18.32 | |||
| 6 | – | Vĩ Huỳnh Thế |  VIE | 2:21.45 | |||
| 7 | – | Sutton Choi |  HKG | 2:29.98 | 
| Pos | Lane | Swimmer | NOC | Time | |||
|---|---|---|---|---|---|---|---|
| 1 | – | Dávid Horváth |  HUN | 2:15.69 | |||
| 2 | – | Jarred Crous |  RSA | 2:16.65 | |||
| 3 | – | Luca Pfyffer |  SUI | 2:16.76 | |||
| 4 | – | Jean Dencausse |  FRA | 2:17.77 | |||
| 5 | – | Jacob Garrod |  NZL | 2:18.00 | |||
| 6 | – | Grayson Bell |  AUS | 2:21.70 | |||
| 7 | – | Mohamed Ali Fekiri |  TUN | 2:22.37 | |||
| 8 | – | Arnoldo Herrera |  CRC | 2:27.46 | 
| Pos | Lane | Swimmer | NOC | Time | |||
|---|---|---|---|---|---|---|---|
| 1 | – | Anton Chupkov |  RUS | 2:15.46 | |||
| 2 | – | Ippei Watanabe |  JPN | 2:15.50 | |||
| 3 | – | Andreas Mickosz |  BRA | 2:16.62 | |||
| 4 | – | Luis Jasso |  MEX | 2:17.25 | |||
| 5 | – | Kim Jae-Youn |  KOR | 2:17.40 | |||
| 6 | – | Basten Caerts |  BEL | 2:17.64 | |||
| 7 | – | Josué Domínguez |  DOM | 2:18.10 | |||
| 8 | – | Andrei Roman |  ROU | 2:18.72 | 
| Pos | Lane | Swimmer | NOC | Time | |||
|---|---|---|---|---|---|---|---|
| 1 | – | Ippei Watanabe |  JPN | 2:11.31 | |||
| 2 | – | Carlos Claverie |  VEN | 2:11.74 | |||
| 3 | – | Anton Chupkov |  RUS | 2:11.87 | |||
| 4 | – | Max Pilger |  GER | 2:11.97 | |||
| 5 | – | Dávid Horváth |  HUN | 2:12.39 | |||
| 6 | – | Jarred Crous |  RSA | 2:15.52 | |||
| 7 | – | Cai Bing-Rong |  TPE | 2:16.89 | |||
| 8 | – | Andreas Mickosz |  BRA | 2:17.17 |