| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 17.743 | 21/6:12.603 |
| 2 | 3 | 17.707 | 21/6:12.225 |
| 3 | 3 | 17.704 | 21/6:12.078 |
| 4 | 3 | 17.778 | 21/6:12.393 |
| 5 | 3 | 18.433 | 21/6:15.333 |
| 6 | 3 | 18.583 | 21/6:17.818 |
| 7 | 3 | 17.720 | 21/6:17.004 |
| 8 | 3 | 17.974 | 21/6:17.060 |
| 9 | 3 | 18.003 | 21/6:17.172 |
| 10 | 3 | 18.276 | 21/6:17.834 |
| 11 | 3 | 18.966 | 20/6:01.613 |
| 12 | 3 | 17.815 | 20/6:01.170 |
| 13 | 3 | 17.640 | 20/6:00.526 |
| 14 | 3 | 17.947 | 20/6:00.413 |
| 15 | 2 | 18.274 | 20/6:00.751 |
| 16 | 2 | 17.712 | 20/6:00.344 |
| 17 | 2 | 17.553 | 21/6:17.788 |
| 18 | 2 | 20.523 | 20/6:02.612 |
| 19 | 2 | 17.617 | 20/6:02.072 |
| 20 | 3 | 19.230 | 20/6:03.198 |