| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 5 | 28.518 | N/A |
| 2 | 7 | 25.243 | 19/8:02.892 |
| 3 | 7 | 27.743 | 19/8:25.392 |
| 4 | 7 | 22.413 | 19/8:00.912 |
| 5 | 8 | 25.160 | 19/8:01.033 |
| 6 | 8 | 27.731 | 19/8:10.362 |
| 7 | 8 | 24.426 | 19/8:06.666 |
| 8 | 9 | 28.253 | 19/8:13.866 |
| 9 | 8 | 24.901 | 19/8:11.725 |
| 10 | 10 | 32.191 | 19/8:24.064 |
| 11 | 10 | 21.806 | 19/8:16.278 |
| 12 | 10 | 24.804 | 19/8:14.343 |
| 13 | 10 | 23.031 | 19/8:10.071 |
| 14 | 10 | 22.042 | 19/8:05.086 |
| 15 | 10 | 25.650 | 19/8:05.453 |
| 16 | 9 | 22.790 | 19/8:02.338 |
| 17 | 9 | 22.635 | 20/8:24.490 |
| 18 | 8 | 29.314 | 19/8:03.952 |
| 19 | 8 | 26.490 | 19/8:05.141 |