| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 17.193 | 21/6:01.053 |
| 2 | 2 | 17.307 | 21/6:02.250 |
| 3 | 2 | 17.370 | 21/6:03.090 |
| 4 | 2 | 17.497 | 21/6:04.177 |
| 5 | 1 | 17.674 | 21/6:05.572 |
| 6 | 1 | 17.250 | 21/6:05.019 |
| 7 | 1 | 17.444 | 21/6:05.205 |
| 8 | 1 | 17.453 | 21/6:05.368 |
| 9 | 1 | 17.129 | 21/6:04.740 |
| 10 | 1 | 18.030 | 21/6:06.129 |
| 11 | 1 | 17.559 | 21/6:06.366 |
| 12 | 1 | 17.755 | 21/6:06.907 |
| 13 | 1 | 17.312 | 21/6:06.649 |
| 14 | 1 | 17.602 | 21/6:06.862 |
| 15 | 1 | 17.936 | 21/6:07.515 |
| 16 | 1 | 17.386 | 21/6:07.365 |
| 17 | 1 | 17.854 | 21/6:07.810 |
| 18 | 1 | 18.773 | 21/6:09.278 |
| 19 | 1 | 17.704 | 21/6:09.410 |
| 20 | 1 | 17.362 | 21/6:09.170 |
| 21 | 1 | 17.391 | 21/6:08.981 |