| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 27.601 | N/A |
| 2 | 4 | 26.056 | 19/8:16.609 |
| 3 | 4 | 24.290 | 19/8:00.715 |
| 4 | 4 | 26.686 | 19/8:09.793 |
| 5 | 4 | 24.162 | 19/8:02.974 |
| 6 | 5 | 29.282 | 19/8:17.314 |
| 7 | 4 | 25.712 | 19/8:16.165 |
| 8 | 4 | 25.715 | 19/8:15.351 |
| 9 | 4 | 26.076 | 19/8:15.553 |
| 10 | 4 | 23.502 | 19/8:10.563 |
| 11 | 4 | 24.225 | 19/8:07.871 |
| 12 | 4 | 22.858 | 19/8:03.433 |
| 13 | 4 | 25.501 | 19/8:03.698 |
| 14 | 4 | 19.879 | 20/8:21.057 |
| 15 | 4 | 37.647 | 19/8:12.503 |
| 16 | 5 | 30.508 | 19/8:18.119 |
| 17 | 5 | 27.692 | 19/8:19.865 |
| 18 | 5 | 24.519 | 19/8:18.046 |
| 19 | 5 | 31.277 | 19/8:23.188 |