| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 5 | 21.199 | 17/6:00.383 |
| 2 | 4 | 21.450 | 17/6:02.517 |
| 3 | 2 | 20.447 | 18/6:18.576 |
| 4 | 2 | 21.159 | 18/6:19.147 |
| 5 | 3 | 20.504 | 18/6:17.132 |
| 6 | 2 | 20.209 | 18/6:14.904 |
| 7 | 3 | 20.390 | 18/6:13.778 |
| 8 | 3 | 19.947 | 18/6:11.936 |
| 9 | 3 | 20.275 | 18/6:11.160 |
| 10 | 3 | 21.414 | 18/6:12.589 |
| 11 | 2 | 20.384 | 18/6:12.073 |
| 12 | 2 | 22.743 | 18/6:15.182 |
| 13 | 2 | 20.462 | 18/6:14.653 |
| 14 | 2 | 22.106 | 18/6:16.314 |
| 15 | 2 | 21.108 | 18/6:16.556 |
| 16 | 2 | 20.562 | 18/6:16.154 |
| 17 | 2 | 20.802 | 18/6:16.053 |
| 18 | 2 | 22.744 | 18/6:17.905 |