| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 19.261 | 19/6:05.959 |
| 2 | 4 | 18.664 | 19/6:00.287 |
| 3 | 4 | 18.884 | 20/6:18.727 |
| 4 | 3 | 19.117 | 19/6:00.649 |
| 5 | 3 | 19.446 | 19/6:02.414 |
| 6 | 4 | 18.884 | 19/6:01.811 |
| 7 | 4 | 19.128 | 19/6:02.042 |
| 8 | 4 | 19.905 | 19/6:04.061 |
| 9 | 4 | 19.494 | 19/6:04.764 |
| 10 | 4 | 23.584 | 19/6:13.097 |
| 11 | 4 | 24.754 | 18/6:01.834 |
| 12 | 4 | 20.206 | 18/6:01.990 |
| 13 | 4 | 19.518 | 18/6:01.170 |
| 14 | 4 | 19.227 | 18/6:00.093 |
| 15 | 4 | 21.335 | 18/6:01.688 |
| 16 | 4 | 25.075 | 18/6:07.292 |
| 17 | 4 | 19.548 | 18/6:06.385 |
| 18 | 4 | 19.474 | 18/6:05.504 |