| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 20.879 | 18/6:15.822 |
| 2 | 3 | 20.490 | 18/6:12.321 |
| 3 | 4 | 21.063 | 18/6:14.592 |
| 4 | 4 | 19.266 | 18/6:07.641 |
| 5 | 4 | 21.442 | 18/6:11.304 |
| 6 | 4 | 20.295 | 18/6:10.305 |
| 7 | 4 | 19.591 | 18/6:07.781 |
| 8 | 3 | 19.948 | 18/6:06.692 |
| 9 | 3 | 20.271 | 18/6:06.490 |
| 10 | 3 | 20.860 | 18/6:07.389 |
| 11 | 3 | 19.721 | 18/6:06.261 |
| 12 | 3 | 19.808 | 18/6:05.451 |
| 13 | 3 | 20.392 | 18/6:05.574 |
| 14 | 3 | 21.457 | 18/6:07.050 |
| 15 | 3 | 21.003 | 18/6:07.783 |
| 16 | 3 | 21.767 | 18/6:09.285 |
| 17 | 3 | 19.628 | 18/6:08.345 |
| 18 | 3 | 20.113 | 18/6:07.994 |