| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 21.558 | N/A |
| 2 | 2 | 21.262 | 17/6:01.075 |
| 3 | 2 | 19.663 | 18/6:09.420 |
| 4 | 2 | 18.813 | 18/6:00.073 |
| 5 | 2 | 18.441 | 19/6:13.363 |
| 6 | 2 | 22.204 | 18/6:02.860 |
| 7 | 2 | 20.036 | 18/6:02.745 |
| 8 | 2 | 19.228 | 18/6:00.700 |
| 9 | 2 | 22.633 | 18/6:06.403 |
| 10 | 1 | 18.723 | 18/6:03.452 |
| 11 | 1 | 18.505 | 18/6:00.721 |
| 12 | 2 | 22.601 | 18/6:04.817 |
| 13 | 1 | 18.471 | 18/6:02.379 |
| 14 | 1 | 19.311 | 18/6:01.415 |
| 15 | 2 | 23.994 | 18/6:06.275 |
| 16 | 2 | 18.931 | 18/6:04.749 |
| 17 | 2 | 21.950 | 18/6:06.621 |
| 18 | 2 | 20.661 | 18/6:06.985 |