| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 5 | 9.728 | N/A |
| 2 | 5 | 20.797 | 18/6:03.277 |
| 3 | 5 | 20.441 | 18/6:00.251 |
| 4 | 5 | 20.835 | 18/6:01.475 |
| 5 | 5 | 20.696 | 18/6:01.496 |
| 6 | 5 | 20.837 | 18/6:01.988 |
| 7 | 5 | 20.513 | 18/6:01.398 |
| 8 | 5 | 21.714 | 18/6:03.893 |
| 9 | 4 | 20.388 | 18/6:02.947 |
| 10 | 4 | 20.160 | 18/6:01.781 |
| 11 | 4 | 21.084 | 18/6:02.418 |
| 12 | 4 | 20.760 | 18/6:02.439 |
| 13 | 4 | 21.064 | 18/6:02.887 |
| 14 | 4 | 20.447 | 18/6:02.459 |
| 15 | 4 | 31.547 | 18/6:15.571 |
| 16 | 4 | 19.872 | 18/6:13.703 |
| 17 | 4 | 20.259 | 18/6:12.480 |
| 18 | 4 | 20.728 | 18/6:11.870 |