| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 16.841 | 18/5:03.138 |
| 2 | 4 | 16.841 | 18/5:03.138 |
| 3 | 3 | 17.175 | 18/5:05.142 |
| 4 | 3 | 17.233 | 18/5:06.405 |
| 5 | 4 | 17.293 | 18/5:07.379 |
| 6 | 3 | 16.960 | 18/5:07.029 |
| 7 | 3 | 16.970 | 18/5:06.805 |
| 8 | 4 | 17.468 | 18/5:07.757 |
| 9 | 6 | 18.387 | 18/5:10.336 |
| 10 | 9 | 19.426 | 18/5:14.269 |
| 11 | 9 | 18.335 | 18/5:15.702 |
| 12 | 9 | 17.145 | 18/5:15.111 |
| 13 | 9 | 17.057 | 18/5:14.489 |
| 14 | 8 | 17.208 | 18/5:14.150 |
| 15 | 8 | 17.430 | 18/5:14.123 |
| 16 | 8 | 17.141 | 18/5:13.774 |
| 17 | 8 | 17.343 | 18/5:13.680 |
| 18 | 8 | 17.300 | 18/5:13.553 |