| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 5 | 20.011 | 21/7:00.231 |
| 2 | 5 | 22.232 | 20/7:02.430 |
| 3 | 5 | 18.197 | 21/7:03.080 |
| 4 | 6 | 22.184 | 21/7:13.776 |
| 5 | 6 | 24.013 | 20/7:06.548 |
| 6 | 7 | 17.686 | 21/7:15.131 |
| 7 | 8 | 29.772 | 20/7:20.271 |
| 8 | 7 | 20.775 | 20/7:17.175 |
| 9 | 6 | 20.121 | 20/7:13.313 |
| 10 | 7 | 25.272 | 20/7:20.526 |
| 11 | 5 | 18.299 | 20/7:13.749 |
| 12 | 6 | 22.345 | 20/7:14.845 |
| 13 | 5 | 30.277 | 19/7:05.577 |
| 14 | 6 | 17.490 | 20/7:20.963 |
| 15 | 6 | 22.883 | 20/7:22.076 |
| 16 | 4 | 22.649 | 19/7:00.620 |
| 17 | 5 | 19.712 | 20/7:19.904 |
| 18 | 4 | 28.848 | 19/7:05.142 |
| 19 | 4 | 26.872 | 19/7:09.638 |