| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 17.272 | 21/6:02.712 |
| 2 | 3 | 17.799 | 21/6:08.245 |
| 3 | 2 | 17.250 | 21/6:06.247 |
| 4 | 2 | 17.723 | 21/6:07.731 |
| 5 | 3 | 18.080 | 21/6:10.121 |
| 6 | 1 | 17.129 | 21/6:08.385 |
| 7 | 1 | 17.783 | 21/6:09.108 |
| 8 | 1 | 17.201 | 21/6:08.122 |
| 9 | 2 | 17.646 | 21/6:08.394 |
| 10 | 2 | 17.558 | 21/6:08.426 |
| 11 | 2 | 17.527 | 21/6:08.393 |
| 12 | 1 | 17.329 | 21/6:08.020 |
| 13 | 3 | 19.939 | 21/6:11.920 |
| 14 | 3 | 17.105 | 21/6:11.011 |
| 15 | 3 | 18.310 | 21/6:11.911 |
| 16 | 3 | 17.618 | 21/6:11.791 |
| 17 | 3 | 16.986 | 21/6:10.903 |
| 18 | 3 | 17.418 | 21/6:10.618 |
| 19 | 2 | 17.494 | 21/6:10.448 |
| 20 | 3 | 17.595 | 21/6:10.400 |
| 21 | 3 | 18.113 | 21/6:10.875 |