| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 17.992 | 21/6:17.832 |
| 2 | 1 | 18.136 | 20/6:01.280 |
| 3 | 1 | 17.766 | 21/6:17.258 |
| 4 | 1 | 18.003 | 21/6:17.459 |
| 5 | 1 | 19.393 | 20/6:05.160 |
| 6 | 1 | 18.805 | 20/6:06.983 |
| 7 | 1 | 17.753 | 20/6:05.280 |
| 8 | 1 | 19.237 | 20/6:07.713 |
| 9 | 2 | 22.307 | 20/6:16.427 |
| 10 | 2 | 19.361 | 20/6:17.506 |
| 11 | 2 | 19.587 | 20/6:18.800 |
| 12 | 2 | 18.055 | 20/6:17.325 |
| 13 | 2 | 18.300 | 20/6:16.454 |
| 14 | 2 | 17.722 | 20/6:14.881 |
| 15 | 1 | 17.978 | 20/6:13.860 |
| 16 | 1 | 17.937 | 20/6:12.915 |
| 17 | 1 | 18.489 | 20/6:12.731 |
| 18 | 1 | 17.479 | 20/6:11.444 |
| 19 | 1 | 19.251 | 20/6:12.159 |
| 20 | 1 | 18.218 | 20/6:11.769 |