| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 20.641 | 18/6:11.538 |
| 2 | 2 | 20.535 | 18/6:10.584 |
| 3 | 2 | 20.204 | 18/6:08.280 |
| 4 | 2 | 20.311 | 18/6:07.610 |
| 5 | 2 | 20.445 | 18/6:07.690 |
| 6 | 2 | 20.245 | 18/6:07.143 |
| 7 | 2 | 19.704 | 18/6:05.361 |
| 8 | 2 | 19.983 | 18/6:04.653 |
| 9 | 1 | 20.292 | 18/6:04.720 |
| 10 | 1 | 20.220 | 18/6:04.644 |
| 11 | 2 | 22.336 | 18/6:08.044 |
| 12 | 2 | 20.311 | 18/6:07.841 |
| 13 | 2 | 20.208 | 18/6:07.525 |
| 14 | 2 | 20.223 | 18/6:07.275 |
| 15 | 2 | 21.965 | 18/6:09.148 |
| 16 | 2 | 19.793 | 18/6:08.343 |
| 17 | 2 | 20.213 | 18/6:08.078 |
| 18 | 2 | 20.448 | 18/6:08.077 |