| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 21.960 | 17/6:13.320 |
| 2 | 2 | 20.659 | 17/6:02.262 |
| 3 | 2 | 20.345 | 18/6:17.784 |
| 4 | 3 | 21.157 | 18/6:18.544 |
| 5 | 3 | 24.315 | 17/6:08.682 |
| 6 | 2 | 19.859 | 17/6:03.502 |
| 7 | 2 | 19.489 | 18/6:20.016 |
| 8 | 2 | 21.051 | 18/6:19.879 |
| 9 | 2 | 20.989 | 18/6:19.648 |
| 10 | 3 | 23.104 | 17/6:01.978 |
| 11 | 3 | 21.407 | 17/6:02.154 |
| 12 | 3 | 20.148 | 17/6:00.518 |
| 13 | 3 | 19.692 | 18/6:19.627 |
| 14 | 2 | 19.640 | 18/6:17.762 |
| 15 | 2 | 19.977 | 18/6:16.550 |
| 16 | 2 | 20.038 | 18/6:15.559 |
| 17 | 2 | 21.326 | 18/6:16.048 |
| 18 | 1 | 19.933 | 18/6:15.089 |