| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 21.027 | 18/6:18.486 |
| 2 | 4 | 20.004 | 18/6:09.279 |
| 3 | 4 | 21.559 | 18/6:15.540 |
| 4 | 4 | 20.246 | 18/6:12.762 |
| 5 | 4 | 20.732 | 18/6:12.845 |
| 6 | 4 | 20.660 | 18/6:12.684 |
| 7 | 4 | 20.753 | 18/6:12.808 |
| 8 | 4 | 20.379 | 18/6:12.060 |
| 9 | 4 | 19.940 | 18/6:10.600 |
| 10 | 4 | 20.370 | 18/6:10.206 |
| 11 | 4 | 19.936 | 18/6:09.173 |
| 12 | 4 | 19.963 | 18/6:08.353 |
| 13 | 4 | 21.049 | 18/6:09.163 |
| 14 | 4 | 19.789 | 18/6:08.238 |
| 15 | 4 | 20.004 | 18/6:07.693 |
| 16 | 4 | 21.044 | 18/6:08.387 |
| 17 | 4 | 19.937 | 18/6:07.827 |
| 18 | 4 | 21.041 | 18/6:08.433 |