| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 17.352 | 21/6:04.392 |
| 2 | 2 | 17.321 | 21/6:04.067 |
| 3 | 2 | 17.531 | 21/6:05.428 |
| 4 | 1 | 17.208 | 21/6:04.413 |
| 5 | 2 | 17.745 | 21/6:06.059 |
| 6 | 2 | 17.340 | 21/6:05.740 |
| 7 | 2 | 17.513 | 21/6:06.030 |
| 8 | 2 | 17.200 | 21/6:05.426 |
| 9 | 2 | 17.579 | 21/6:05.841 |
| 10 | 2 | 17.522 | 21/6:06.053 |
| 11 | 2 | 17.549 | 21/6:06.278 |
| 12 | 2 | 18.091 | 21/6:07.414 |
| 13 | 2 | 17.102 | 21/6:06.778 |
| 14 | 2 | 17.543 | 21/6:06.894 |
| 15 | 2 | 17.993 | 21/6:07.625 |
| 16 | 2 | 17.934 | 21/6:08.186 |
| 17 | 2 | 17.657 | 21/6:08.340 |
| 18 | 2 | 17.359 | 21/6:08.129 |
| 19 | 2 | 17.280 | 21/6:07.853 |
| 20 | 2 | 18.419 | 21/6:08.800 |
| 21 | 2 | 17.274 | 21/6:08.512 |