| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 20.284 | 18/6:05.112 |
| 2 | 2 | 20.495 | 18/6:07.011 |
| 3 | 2 | 20.607 | 18/6:08.316 |
| 4 | 2 | 20.625 | 18/6:09.049 |
| 5 | 2 | 20.843 | 18/6:10.274 |
| 6 | 2 | 20.487 | 18/6:10.023 |
| 7 | 2 | 21.309 | 18/6:11.957 |
| 8 | 2 | 20.374 | 18/6:11.304 |
| 9 | 2 | 21.059 | 18/6:12.166 |
| 10 | 2 | 20.671 | 18/6:12.157 |
| 11 | 2 | 20.970 | 18/6:12.639 |
| 12 | 2 | 20.349 | 18/6:12.109 |
| 13 | 2 | 20.876 | 18/6:12.391 |
| 14 | 2 | 20.796 | 18/6:12.529 |
| 15 | 2 | 21.167 | 18/6:13.094 |
| 16 | 2 | 21.127 | 18/6:13.544 |
| 17 | 2 | 20.701 | 18/6:13.489 |
| 18 | 2 | 20.478 | 18/6:13.218 |