| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 22.530 | N/A |
| 2 | 2 | 27.022 | 18/8:01.904 |
| 3 | 1 | 21.186 | 20/8:00.506 |
| 4 | 1 | 22.022 | 21/8:10.073 |
| 5 | 1 | 21.897 | 21/8:03.165 |
| 6 | 3 | 29.561 | 20/8:04.944 |
| 7 | 3 | 20.890 | 21/8:17.079 |
| 8 | 2 | 20.450 | 21/8:08.324 |
| 9 | 2 | 21.291 | 21/8:03.327 |
| 10 | 3 | 25.931 | 21/8:09.752 |
| 11 | 3 | 23.214 | 21/8:09.458 |
| 12 | 3 | 24.457 | 21/8:11.477 |
| 13 | 2 | 22.020 | 21/8:09.098 |
| 14 | 3 | 34.963 | 20/8:02.774 |
| 15 | 3 | 20.717 | 21/8:21.988 |
| 16 | 3 | 22.212 | 21/8:19.640 |
| 17 | 3 | 29.550 | 20/8:02.547 |
| 18 | 2 | 23.778 | 20/8:02.062 |
| 19 | 2 | 20.583 | 21/8:22.245 |
| 20 | 2 | 25.123 | 21/8:23.442 |
| 21 | 2 | 24.244 | 21/8:23.641 |