| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 21.678 | 17/6:08.526 |
| 2 | 2 | 20.491 | 18/6:19.521 |
| 3 | 2 | 21.986 | 17/6:03.545 |
| 4 | 2 | 20.315 | 18/6:20.115 |
| 5 | 2 | 19.787 | 18/6:15.325 |
| 6 | 1 | 20.853 | 18/6:15.330 |
| 7 | 1 | 20.104 | 18/6:13.407 |
| 8 | 2 | 20.296 | 18/6:12.397 |
| 9 | 2 | 19.865 | 18/6:10.750 |
| 10 | 2 | 20.110 | 18/6:09.873 |
| 11 | 2 | 20.022 | 18/6:09.011 |
| 12 | 2 | 20.424 | 18/6:08.897 |
| 13 | 1 | 20.394 | 18/6:08.758 |
| 14 | 1 | 21.206 | 18/6:09.683 |
| 15 | 1 | 20.192 | 18/6:09.268 |
| 16 | 1 | 20.607 | 18/6:09.371 |
| 17 | 1 | 20.876 | 18/6:09.748 |
| 18 | 1 | 21.488 | 18/6:10.694 |