| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 17.292 | 21/6:03.132 |
| 2 | 1 | 17.812 | 21/6:08.592 |
| 3 | 2 | 17.272 | 21/6:06.632 |
| 4 | 1 | 17.188 | 21/6:05.211 |
| 5 | 1 | 17.706 | 21/6:06.534 |
| 6 | 2 | 18.392 | 21/6:09.817 |
| 7 | 2 | 17.298 | 21/6:08.880 |
| 8 | 2 | 20.570 | 21/6:16.766 |
| 9 | 2 | 23.833 | 20/6:11.918 |
| 10 | 3 | 21.151 | 20/6:17.028 |
| 11 | 3 | 17.871 | 20/6:15.245 |
| 12 | 2 | 18.299 | 20/6:14.473 |
| 13 | 2 | 17.355 | 20/6:12.368 |
| 14 | 2 | 18.299 | 20/6:11.911 |
| 15 | 2 | 17.471 | 20/6:10.412 |
| 16 | 2 | 18.596 | 20/6:10.506 |
| 17 | 2 | 17.542 | 20/6:09.349 |
| 18 | 2 | 17.028 | 20/6:07.750 |
| 19 | 2 | 23.352 | 20/6:12.976 |
| 20 | 2 | 17.074 | 20/6:11.401 |