| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 15.972 | 19/5:03.468 |
| 2 | 1 | 15.482 | 20/5:14.540 |
| 3 | 3 | 16.519 | 19/5:03.829 |
| 4 | 3 | 16.625 | 19/5:06.841 |
| 5 | 3 | 17.694 | 19/5:12.710 |
| 6 | 2 | 15.159 | 19/5:08.595 |
| 7 | 2 | 15.112 | 19/5:05.528 |
| 8 | 3 | 23.903 | 18/5:07.048 |
| 9 | 3 | 18.534 | 18/5:10.000 |
| 10 | 3 | 17.950 | 18/5:11.310 |
| 11 | 3 | 15.899 | 18/5:09.026 |
| 12 | 3 | 16.107 | 18/5:07.434 |
| 13 | 4 | 19.906 | 18/5:11.347 |
| 14 | 3 | 17.547 | 18/5:11.669 |
| 15 | 4 | 19.937 | 18/5:14.815 |
| 16 | 4 | 16.594 | 18/5:13.808 |
| 17 | 4 | 18.705 | 18/5:15.154 |
| 18 | 4 | 17.574 | 18/5:15.219 |