| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 33.260 | N/A |
| 2 | 4 | 25.321 | 19/8:09.038 |
| 3 | 2 | 26.944 | 19/8:23.645 |
| 4 | 2 | 24.147 | 19/8:11.732 |
| 5 | 2 | 23.066 | 19/8:00.911 |
| 6 | 2 | 22.529 | 20/8:16.886 |
| 7 | 1 | 26.416 | 20/8:23.266 |
| 8 | 1 | 32.350 | 19/8:18.104 |
| 9 | 1 | 22.248 | 19/8:10.057 |
| 10 | 1 | 24.212 | 19/8:07.726 |
| 11 | 1 | 23.882 | 19/8:05.267 |
| 12 | 1 | 30.624 | 19/8:14.287 |
| 13 | 1 | 25.109 | 19/8:13.532 |
| 14 | 1 | 24.175 | 19/8:11.599 |
| 15 | 1 | 26.025 | 19/8:12.321 |
| 16 | 1 | 25.487 | 19/8:12.302 |
| 17 | 1 | 32.173 | 19/8:19.806 |
| 18 | 2 | 25.631 | 19/8:19.501 |
| 19 | 2 | 28.047 | 19/8:21.646 |