| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 18.235 | 20/6:04.700 |
| 2 | 4 | 18.696 | 20/6:09.310 |
| 3 | 3 | 18.309 | 20/6:08.267 |
| 4 | 3 | 17.813 | 20/6:05.265 |
| 5 | 3 | 18.363 | 20/6:05.664 |
| 6 | 3 | 17.211 | 20/6:02.090 |
| 7 | 3 | 18.080 | 20/6:02.020 |
| 8 | 3 | 17.919 | 20/6:01.565 |
| 9 | 3 | 17.867 | 20/6:01.096 |
| 10 | 3 | 17.529 | 20/6:00.044 |
| 11 | 3 | 17.728 | 21/6:17.523 |
| 12 | 3 | 18.905 | 20/6:01.092 |
| 13 | 3 | 17.331 | 21/6:17.977 |
| 14 | 3 | 17.790 | 21/6:17.664 |
| 15 | 3 | 17.634 | 21/6:17.174 |
| 16 | 3 | 18.012 | 21/6:17.241 |
| 17 | 3 | 18.061 | 21/6:17.361 |
| 18 | 3 | 18.516 | 21/6:17.999 |
| 19 | 3 | 17.728 | 21/6:17.698 |
| 20 | 3 | 18.330 | 20/6:00.057 |