| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 17.166 | 21/6:00.486 |
| 2 | 2 | 17.223 | 21/6:01.084 |
| 3 | 2 | 17.311 | 21/6:01.900 |
| 4 | 1 | 16.933 | 21/6:00.323 |
| 5 | 1 | 17.331 | 21/6:01.049 |
| 6 | 2 | 17.035 | 21/6:00.496 |
| 7 | 1 | 16.960 | 22/6:17.014 |
| 8 | 2 | 17.541 | 21/6:00.938 |
| 9 | 2 | 17.699 | 21/6:02.131 |
| 10 | 2 | 18.002 | 21/6:03.722 |
| 11 | 2 | 17.070 | 21/6:03.245 |
| 12 | 2 | 17.153 | 21/6:02.992 |
| 13 | 2 | 16.638 | 21/6:01.946 |
| 14 | 1 | 17.418 | 21/6:02.220 |
| 15 | 1 | 17.450 | 21/6:02.502 |
| 16 | 1 | 17.545 | 21/6:02.873 |
| 17 | 1 | 17.442 | 21/6:03.074 |
| 18 | 1 | 17.283 | 21/6:03.067 |
| 19 | 2 | 17.966 | 21/6:03.815 |
| 20 | 2 | 17.746 | 21/6:04.258 |
| 21 | 2 | 17.249 | 21/6:04.161 |