| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 17.915 | 21/6:16.215 |
| 2 | 4 | 27.029 | 17/6:22.024 |
| 3 | 3 | 18.467 | 18/6:20.466 |
| 4 | 3 | 18.170 | 18/6:07.115 |
| 5 | 4 | 23.036 | 18/6:16.621 |
| 6 | 3 | 18.824 | 18/6:10.323 |
| 7 | 3 | 18.088 | 18/6:03.932 |
| 8 | 4 | 23.039 | 18/6:10.278 |
| 9 | 3 | 17.838 | 18/6:04.812 |
| 10 | 3 | 17.703 | 18/6:00.196 |
| 11 | 3 | 18.249 | 19/6:17.164 |
| 12 | 3 | 17.547 | 19/6:13.516 |
| 13 | 3 | 17.887 | 19/6:10.927 |
| 14 | 3 | 17.632 | 19/6:08.361 |
| 15 | 1 | 17.597 | 19/6:06.093 |
| 16 | 1 | 18.455 | 19/6:05.128 |
| 17 | 1 | 19.011 | 19/6:04.897 |
| 18 | 1 | 17.929 | 19/6:03.550 |
| 19 | 1 | 18.003 | 19/6:02.419 |