| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 5 | 38.512 | N/A |
| 2 | 4 | 24.562 | 19/8:00.628 |
| 3 | 4 | 29.953 | 18/8:21.889 |
| 4 | 4 | 23.937 | 18/8:03.073 |
| 5 | 5 | 22.790 | 19/8:14.101 |
| 6 | 4 | 21.740 | 19/8:01.247 |
| 7 | 3 | 23.150 | 20/8:21.263 |
| 8 | 3 | 22.835 | 20/8:17.136 |
| 9 | 3 | 28.900 | 19/8:03.712 |
| 10 | 3 | 31.796 | 19/8:17.838 |
| 11 | 2 | 27.668 | 19/8:21.707 |
| 12 | 2 | 23.642 | 19/8:18.286 |
| 13 | 2 | 22.130 | 19/8:13.166 |
| 14 | 2 | 22.802 | 19/8:09.765 |
| 15 | 2 | 26.600 | 19/8:11.732 |
| 16 | 2 | 22.122 | 19/8:08.064 |
| 17 | 2 | 25.278 | 19/8:08.405 |
| 18 | 2 | 29.050 | 19/8:12.699 |
| 19 | 2 | 23.003 | 19/8:10.470 |