| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 17.195 | 21/6:01.095 |
| 2 | 1 | 17.507 | 21/6:04.371 |
| 3 | 1 | 17.345 | 21/6:04.329 |
| 4 | 2 | 18.337 | 21/6:09.516 |
| 5 | 2 | 16.974 | 21/6:06.904 |
| 6 | 2 | 17.621 | 21/6:07.427 |
| 7 | 2 | 17.361 | 21/6:07.020 |
| 8 | 1 | 17.294 | 21/6:06.539 |
| 9 | 1 | 17.220 | 21/6:05.993 |
| 10 | 1 | 17.460 | 21/6:06.059 |
| 11 | 1 | 17.434 | 21/6:06.064 |
| 12 | 1 | 17.637 | 21/6:06.424 |
| 13 | 1 | 17.453 | 21/6:06.431 |
| 14 | 1 | 16.832 | 21/6:05.505 |
| 15 | 1 | 17.256 | 21/6:05.296 |
| 16 | 1 | 17.673 | 21/6:05.661 |
| 17 | 1 | 17.093 | 21/6:05.267 |
| 18 | 1 | 17.548 | 21/6:05.447 |
| 19 | 1 | 19.066 | 21/6:07.286 |
| 20 | 1 | 17.231 | 21/6:07.014 |
| 21 | 1 | 17.528 | 21/6:07.065 |