| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 17.489 | 21/6:07.269 |
| 2 | 2 | 17.766 | 21/6:10.177 |
| 3 | 2 | 17.523 | 21/6:09.446 |
| 4 | 2 | 17.224 | 21/6:07.510 |
| 5 | 3 | 17.730 | 21/6:08.474 |
| 6 | 2 | 17.840 | 21/6:09.502 |
| 7 | 1 | 17.772 | 21/6:10.032 |
| 8 | 2 | 18.148 | 21/6:11.416 |
| 9 | 2 | 17.366 | 21/6:10.669 |
| 10 | 3 | 18.049 | 21/6:11.505 |
| 11 | 3 | 17.844 | 21/6:11.797 |
| 12 | 3 | 17.449 | 21/6:11.350 |
| 13 | 3 | 17.412 | 21/6:10.912 |
| 14 | 3 | 18.273 | 21/6:11.828 |
| 15 | 3 | 19.404 | 21/6:14.205 |
| 16 | 3 | 17.466 | 21/6:13.741 |
| 17 | 3 | 17.997 | 21/6:13.988 |
| 18 | 3 | 17.117 | 21/6:13.181 |
| 19 | 3 | 17.497 | 21/6:12.878 |
| 20 | 3 | 17.403 | 21/6:12.507 |
| 21 | 3 | 17.163 | 21/6:11.932 |