| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 26.167 | N/A |
| 2 | 3 | 26.749 | 18/8:00.009 |
| 3 | 4 | 27.678 | 18/8:08.796 |
| 4 | 5 | 29.447 | 18/8:21.453 |
| 5 | 5 | 25.918 | 18/8:12.783 |
| 6 | 5 | 27.157 | 18/8:11.793 |
| 7 | 5 | 31.156 | 18/8:22.464 |
| 8 | 5 | 26.984 | 18/8:19.954 |
| 9 | 5 | 29.453 | 18/8:23.318 |
| 10 | 5 | 28.225 | 18/8:23.615 |
| 11 | 6 | 26.636 | 18/8:21.152 |
| 12 | 6 | 34.406 | 17/8:02.616 |
| 13 | 5 | 26.528 | 18/8:28.311 |
| 14 | 5 | 30.737 | 17/8:02.873 |
| 15 | 5 | 27.518 | 17/8:01.700 |
| 16 | 4 | 28.527 | 17/8:01.760 |
| 17 | 4 | 26.270 | 18/8:27.892 |
| 18 | 4 | 27.563 | 18/8:27.119 |