| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 17.309 | 21/6:03.489 |
| 2 | 1 | 16.880 | 22/6:16.079 |
| 3 | 1 | 16.374 | 22/6:10.795 |
| 4 | 1 | 18.245 | 21/6:01.242 |
| 5 | 2 | 17.642 | 21/6:03.090 |
| 6 | 2 | 17.363 | 21/6:03.346 |
| 7 | 2 | 17.375 | 21/6:03.564 |
| 8 | 2 | 18.207 | 21/6:05.912 |
| 9 | 2 | 16.636 | 21/6:04.072 |
| 10 | 2 | 16.876 | 21/6:03.105 |
| 11 | 2 | 17.081 | 21/6:02.704 |
| 12 | 2 | 17.052 | 21/6:02.320 |
| 13 | 2 | 16.911 | 21/6:01.767 |
| 14 | 2 | 17.417 | 21/6:02.052 |
| 15 | 2 | 16.602 | 21/6:01.158 |
| 16 | 2 | 16.697 | 21/6:00.500 |
| 17 | 2 | 17.758 | 21/6:01.231 |
| 18 | 2 | 17.179 | 21/6:01.205 |
| 19 | 2 | 16.798 | 21/6:00.760 |
| 20 | 3 | 35.569 | 20/6:01.971 |