| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 19.571 | 19/6:11.849 |
| 2 | 4 | 18.857 | 19/6:05.066 |
| 3 | 4 | 18.218 | 20/6:17.640 |
| 4 | 6 | 25.464 | 18/6:09.495 |
| 5 | 4 | 19.115 | 18/6:04.410 |
| 6 | 4 | 18.299 | 19/6:18.493 |
| 7 | 4 | 19.461 | 19/6:17.245 |
| 8 | 5 | 25.839 | 18/6:10.854 |
| 9 | 6 | 19.237 | 18/6:08.122 |
| 10 | 5 | 24.887 | 18/6:16.106 |
| 11 | 5 | 18.310 | 18/6:11.877 |
| 12 | 5 | 19.002 | 18/6:09.390 |
| 13 | 5 | 18.965 | 18/6:07.235 |
| 14 | 5 | 20.454 | 18/6:07.302 |
| 15 | 5 | 19.831 | 18/6:06.612 |
| 16 | 5 | 19.087 | 18/6:05.172 |
| 17 | 6 | 18.627 | 18/6:03.414 |
| 18 | 5 | 23.150 | 18/6:06.374 |