| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 21.491 | 17/6:05.347 |
| 2 | 3 | 19.516 | 18/6:09.063 |
| 3 | 3 | 20.414 | 18/6:08.526 |
| 4 | 2 | 20.392 | 18/6:08.159 |
| 5 | 3 | 20.495 | 18/6:08.309 |
| 6 | 3 | 20.736 | 18/6:09.132 |
| 7 | 3 | 20.220 | 18/6:08.393 |
| 8 | 3 | 20.338 | 18/6:08.105 |
| 9 | 3 | 24.800 | 18/6:16.804 |
| 10 | 3 | 19.323 | 18/6:13.905 |
| 11 | 3 | 19.712 | 18/6:12.170 |
| 12 | 3 | 21.574 | 18/6:13.517 |
| 13 | 3 | 19.698 | 18/6:12.059 |
| 14 | 3 | 20.224 | 18/6:11.485 |
| 15 | 3 | 19.944 | 18/6:10.652 |
| 16 | 3 | 21.140 | 18/6:11.269 |
| 17 | 3 | 19.210 | 18/6:09.770 |
| 18 | 3 | 20.124 | 18/6:09.351 |