| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 20.464 | 18/6:08.352 |
| 2 | 3 | 20.230 | 18/6:06.246 |
| 3 | 2 | 19.104 | 19/6:18.721 |
| 4 | 4 | 23.104 | 18/6:13.059 |
| 5 | 4 | 18.615 | 18/6:05.461 |
| 6 | 4 | 18.531 | 18/6:00.144 |
| 7 | 3 | 20.192 | 18/6:00.617 |
| 8 | 3 | 19.830 | 18/6:00.157 |
| 9 | 4 | 19.158 | 19/6:18.370 |
| 10 | 4 | 25.254 | 18/6:08.068 |
| 11 | 4 | 20.813 | 18/6:08.665 |
| 12 | 4 | 22.362 | 18/6:11.485 |
| 13 | 4 | 19.827 | 18/6:10.362 |
| 14 | 4 | 22.922 | 18/6:13.379 |
| 15 | 4 | 21.854 | 18/6:14.712 |
| 16 | 4 | 24.861 | 18/6:19.261 |
| 17 | 3 | 20.062 | 18/6:18.194 |
| 18 | 3 | 28.522 | 18/6:25.705 |