| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 25.815 | N/A |
| 2 | 1 | 24.033 | 20/8:02.442 |
| 3 | 1 | 25.615 | 20/8:17.471 |
| 4 | 1 | 24.223 | 20/8:13.664 |
| 5 | 2 | 34.001 | 18/8:04.271 |
| 6 | 2 | 23.163 | 19/8:17.541 |
| 7 | 2 | 24.121 | 19/8:11.283 |
| 8 | 2 | 24.427 | 19/8:07.599 |
| 9 | 2 | 27.850 | 19/8:12.539 |
| 10 | 2 | 24.750 | 19/8:10.181 |
| 11 | 2 | 25.453 | 19/8:09.559 |
| 12 | 2 | 25.985 | 19/8:09.922 |
| 13 | 1 | 22.725 | 19/8:05.334 |
| 14 | 3 | 33.206 | 19/8:15.963 |
| 15 | 2 | 24.136 | 19/8:13.413 |
| 16 | 3 | 32.534 | 19/8:21.281 |
| 17 | 3 | 25.526 | 19/8:20.281 |
| 18 | 2 | 24.815 | 19/8:18.646 |
| 19 | 3 | 33.037 | 19/8:25.415 |