| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 25.039 | N/A |
| 2 | 4 | 20.580 | 21/7:16.639 |
| 3 | 5 | 19.591 | 21/7:06.749 |
| 4 | 5 | 19.625 | 21/7:03.679 |
| 5 | 5 | 19.633 | 21/7:02.184 |
| 6 | 5 | 19.851 | 21/7:02.159 |
| 7 | 4 | 19.339 | 21/7:00.435 |
| 8 | 5 | 22.127 | 21/7:07.170 |
| 9 | 5 | 22.608 | 21/7:13.424 |
| 10 | 4 | 19.442 | 21/7:11.252 |
| 11 | 5 | 19.224 | 21/7:09.079 |
| 12 | 5 | 37.759 | 20/7:19.202 |
| 13 | 5 | 21.199 | 20/7:18.254 |
| 14 | 5 | 19.864 | 20/7:15.500 |
| 15 | 5 | 18.263 | 20/7:10.967 |
| 16 | 4 | 19.279 | 20/7:08.325 |
| 17 | 4 | 18.937 | 20/7:05.607 |
| 18 | 5 | 33.758 | 20/7:19.774 |
| 19 | 5 | 19.048 | 20/7:16.839 |
| 20 | 5 | 32.512 | 20/7:27.678 |