| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 18.277 | 20/6:05.540 |
| 2 | 2 | 19.181 | 20/6:14.580 |
| 3 | 2 | 19.179 | 20/6:17.580 |
| 4 | 2 | 18.806 | 20/6:17.215 |
| 5 | 2 | 19.529 | 19/6:00.894 |
| 6 | 2 | 19.074 | 19/6:01.146 |
| 7 | 2 | 20.551 | 19/6:05.335 |
| 8 | 2 | 19.763 | 19/6:06.605 |
| 9 | 2 | 21.132 | 19/6:10.483 |
| 10 | 3 | 22.134 | 19/6:15.489 |
| 11 | 3 | 19.358 | 19/6:14.791 |
| 12 | 4 | 20.590 | 19/6:16.159 |
| 13 | 4 | 20.266 | 19/6:16.843 |
| 14 | 4 | 19.675 | 19/6:16.627 |
| 15 | 4 | 19.642 | 19/6:16.399 |
| 16 | 4 | 19.902 | 19/6:16.508 |
| 17 | 4 | 19.976 | 19/6:16.686 |
| 18 | 4 | 19.210 | 19/6:16.036 |
| 19 | 4 | 20.165 | 19/6:16.410 |