| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 17.506 | 21/6:07.626 |
| 2 | 3 | 17.327 | 21/6:05.746 |
| 3 | 3 | 17.108 | 21/6:03.587 |
| 4 | 3 | 17.412 | 21/6:04.103 |
| 5 | 3 | 16.813 | 21/6:01.897 |
| 6 | 3 | 17.705 | 21/6:03.549 |
| 7 | 3 | 17.199 | 21/6:03.210 |
| 8 | 3 | 17.876 | 21/6:04.733 |
| 9 | 3 | 17.587 | 21/6:05.244 |
| 10 | 3 | 17.476 | 21/6:05.419 |
| 11 | 3 | 17.563 | 21/6:05.728 |
| 12 | 3 | 19.404 | 21/6:09.208 |
| 13 | 3 | 17.860 | 21/6:09.658 |
| 14 | 3 | 17.041 | 21/6:08.815 |
| 15 | 3 | 17.318 | 21/6:08.473 |
| 16 | 3 | 16.831 | 21/6:07.534 |
| 17 | 3 | 17.320 | 21/6:07.310 |
| 18 | 3 | 17.332 | 21/6:07.124 |
| 19 | 3 | 17.402 | 21/6:07.036 |
| 20 | 3 | 17.055 | 21/6:06.592 |
| 21 | 3 | 18.447 | 21/6:07.582 |