| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 7.452 | N/A |
| 2 | 3 | 7.912 | N/A |
| 3 | 1 | 18.538 | 21/6:18.212 |
| 4 | 2 | 18.079 | 21/6:09.492 |
| 5 | 1 | 17.783 | 21/6:10.662 |
| 6 | 2 | 17.960 | 21/6:08.302 |
| 7 | 1 | 17.926 | 21/6:09.098 |
| 8 | 2 | 18.100 | 21/6:08.838 |
| 9 | 1 | 18.220 | 21/6:09.787 |
| 10 | 3 | 19.153 | 21/6:14.372 |
| 11 | 1 | 18.060 | 21/6:09.056 |
| 12 | 6 | 20.653 | 20/6:04.903 |
| 13 | 1 | 18.231 | 21/6:09.978 |
| 14 | 6 | 18.903 | 20/6:05.264 |
| 15 | 1 | 18.131 | 21/6:09.992 |
| 16 | 6 | 18.347 | 20/6:04.012 |
| 17 | 1 | 18.397 | 21/6:10.667 |
| 18 | 6 | 18.109 | 20/6:02.509 |
| 19 | 1 | 18.020 | 21/6:10.354 |
| 20 | 6 | 20.149 | 20/6:05.646 |
| 21 | 1 | 18.461 | 21/6:10.986 |