| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 22.813 | N/A |
| 2 | 3 | 25.525 | 19/8:02.263 |
| 3 | 3 | 24.303 | 20/8:16.179 |
| 4 | 3 | 24.113 | 20/8:11.106 |
| 5 | 3 | 25.860 | 20/8:16.867 |
| 6 | 3 | 22.164 | 20/8:06.028 |
| 7 | 3 | 23.230 | 20/8:02.597 |
| 8 | 3 | 24.806 | 20/8:04.244 |
| 9 | 4 | 36.575 | 19/8:07.609 |
| 10 | 4 | 25.880 | 19/8:07.725 |
| 11 | 4 | 24.372 | 19/8:05.103 |
| 12 | 4 | 22.920 | 19/8:00.582 |
| 13 | 4 | 21.422 | 20/8:19.665 |
| 14 | 4 | 22.790 | 20/8:16.293 |
| 15 | 4 | 21.713 | 20/8:11.940 |
| 16 | 3 | 23.270 | 20/8:10.140 |
| 17 | 3 | 26.139 | 20/8:11.972 |
| 18 | 3 | 23.370 | 20/8:10.494 |
| 19 | 4 | 32.644 | 20/8:18.969 |
| 20 | 4 | 28.906 | 20/8:22.815 |