| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 25.026 | N/A |
| 2 | 4 | 21.252 | 17/6:05.058 |
| 3 | 4 | 20.775 | 17/6:01.242 |
| 4 | 4 | 20.728 | 18/6:20.637 |
| 5 | 4 | 21.011 | 17/6:00.009 |
| 6 | 3 | 21.140 | 17/6:00.725 |
| 7 | 3 | 22.375 | 17/6:04.442 |
| 8 | 3 | 20.634 | 17/6:03.117 |
| 9 | 3 | 20.718 | 17/6:02.292 |
| 10 | 3 | 20.397 | 17/6:01.079 |
| 11 | 3 | 21.099 | 17/6:01.232 |
| 12 | 3 | 20.966 | 17/6:01.164 |
| 13 | 3 | 20.157 | 17/6:00.028 |
| 14 | 3 | 20.643 | 18/6:20.581 |
| 15 | 3 | 20.670 | 18/6:20.283 |
| 16 | 3 | 21.069 | 18/6:20.477 |
| 17 | 3 | 21.145 | 18/6:20.728 |
| 18 | 2 | 21.112 | 18/6:20.917 |