| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 18.254 | 20/6:05.080 |
| 2 | 1 | 18.253 | 20/6:05.070 |
| 3 | 2 | 19.899 | 20/6:16.040 |
| 4 | 2 | 19.115 | 20/6:17.605 |
| 5 | 3 | 21.870 | 19/6:10.086 |
| 6 | 3 | 18.618 | 19/6:07.362 |
| 7 | 3 | 18.464 | 19/6:04.998 |
| 8 | 3 | 18.781 | 19/6:03.978 |
| 9 | 3 | 20.112 | 19/6:05.995 |
| 10 | 3 | 18.769 | 19/6:05.057 |
| 11 | 3 | 19.003 | 19/6:04.693 |
| 12 | 4 | 20.522 | 19/6:06.795 |
| 13 | 4 | 19.132 | 19/6:06.542 |
| 14 | 3 | 20.517 | 19/6:08.205 |
| 15 | 3 | 17.734 | 19/6:06.121 |
| 16 | 2 | 20.006 | 19/6:06.996 |
| 17 | 2 | 18.569 | 19/6:06.161 |
| 18 | 2 | 18.803 | 19/6:05.667 |
| 19 | 2 | 18.342 | 19/6:04.763 |