| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 20.552 | 15/5:08.028 |
| 2 | 3 | 20.788 | 15/5:10.005 |
| 3 | 3 | 21.122 | 15/5:12.031 |
| 4 | 2 | 20.713 | 15/5:11.906 |
| 5 | 2 | 20.622 | 15/5:11.391 |
| 6 | 2 | 21.063 | 15/5:12.015 |
| 7 | 2 | 20.341 | 15/5:11.145 |
| 8 | 2 | 22.020 | 15/5:13.539 |
| 9 | 2 | 21.262 | 15/5:14.138 |
| 10 | 3 | 20.872 | 15/5:14.032 |
| 11 | 2 | 23.587 | 15/5:17.648 |
| 12 | 2 | 21.828 | 15/5:18.462 |
| 13 | 3 | 22.531 | 15/5:19.962 |
| 14 | 2 | 21.990 | 15/5:20.668 |
| 15 | 2 | 20.884 | 15/5:20.175 |