| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 17.150 | 21/6:00.150 |
| 2 | 3 | 17.703 | 21/6:05.956 |
| 3 | 3 | 17.294 | 21/6:05.029 |
| 4 | 3 | 17.594 | 21/6:06.140 |
| 5 | 2 | 17.790 | 21/6:07.630 |
| 6 | 2 | 17.515 | 21/6:07.661 |
| 7 | 3 | 19.156 | 21/6:12.606 |
| 8 | 3 | 18.146 | 21/6:13.663 |
| 9 | 3 | 18.279 | 21/6:14.796 |
| 10 | 2 | 18.034 | 21/6:15.188 |
| 11 | 2 | 17.275 | 21/6:14.060 |
| 12 | 2 | 17.413 | 21/6:13.361 |
| 13 | 2 | 17.605 | 21/6:13.080 |
| 14 | 2 | 17.595 | 21/6:12.823 |
| 15 | 2 | 17.769 | 21/6:12.845 |
| 16 | 2 | 18.185 | 21/6:13.410 |
| 17 | 4 | 18.479 | 21/6:14.272 |
| 18 | 4 | 17.494 | 21/6:13.889 |
| 19 | 4 | 17.634 | 21/6:13.701 |
| 20 | 3 | 17.376 | 21/6:13.260 |
| 21 | 4 | 21.035 | 21/6:16.521 |