Heat 1
| Place | Rank | Athlete | Country | Time |
| 1. | 6. | Aflah Fadlan Prawira | Indonesia | 8:03.87 |
| 2. | 7. | Cheuk Ming Ho | Hong Kong | 8:07.76 |
| 3. | 8. | Advait Page | India | 8:09.13 |
| 4. | 9. | Glen Lim | Singapore | 8:11.59 |
| 5. | 12. | Cho Cheng-chi | Chinese Taipei | 8:16.63 |
| 6. | 13. | Lam Chak Hang | Hong Kong | 8:26.07 |
| 7. | 14. | Mubal Azzam Ibrahim | Maldives | 10:12.07 |
Final
| Place | Rank | Athlete | Country | Time |
| 1. | 1. | Sun Yang | China | 7:48.36 |
| 2. | 2. | Shogo Takeda | Japan | 7:53.01 |
| 3. | 3. | Nguyen Huy Hoang | Vietnam | 7:54.32 |
| 4. | 4. | Kochei Yamamoto | Japan | 7:59.60 |
| 5. | 5. | Ji Xinjie | China | 7:59.99 |
| 6. | 10. | Huang Guo-ting | Chinese Taipei | 8:12.15 |
| 7. | 11. | Welson Sim | Malaysia | 8:12.46 |
| | | Lee Ho-joon | South Korea | DNS |