| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 4.646 | N/A |
| 2 | 4 | 18.085 | 21/6:06.346 |
| 3 | 4 | 18.983 | 21/6:15.326 |
| 4 | 4 | 18.225 | 21/6:13.266 |
| 5 | 3 | 18.061 | 21/6:11.416 |
| 6 | 4 | 19.658 | 21/6:16.694 |
| 7 | 4 | 18.372 | 21/6:15.926 |
| 8 | 4 | 18.680 | 21/6:16.257 |
| 9 | 4 | 18.507 | 21/6:16.073 |
| 10 | 4 | 17.631 | 21/6:13.983 |
| 11 | 4 | 17.939 | 21/6:12.928 |
| 12 | 4 | 18.783 | 21/6:13.598 |
| 13 | 4 | 17.707 | 21/6:12.364 |
| 14 | 4 | 18.468 | 21/6:12.490 |
| 15 | 4 | 19.395 | 21/6:13.923 |
| 16 | 4 | 18.920 | 21/6:14.531 |
| 17 | 4 | 23.861 | 20/6:02.410 |
| 18 | 4 | 17.826 | 20/6:01.288 |
| 19 | 4 | 17.956 | 20/6:00.428 |
| 20 | 4 | 18.518 | 20/6:00.221 |