| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 20.326 | N/A |
| 2 | 3 | 17.621 | 21/6:12.746 |
| 3 | 2 | 17.360 | 21/6:10.136 |
| 4 | 2 | 17.093 | 21/6:07.486 |
| 5 | 2 | 17.756 | 21/6:09.476 |
| 6 | 2 | 17.548 | 21/6:09.838 |
| 7 | 2 | 17.416 | 21/6:09.639 |
| 8 | 2 | 17.461 | 21/6:09.626 |
| 9 | 2 | 17.220 | 21/6:09.013 |
| 10 | 2 | 17.774 | 21/6:09.768 |
| 11 | 2 | 17.847 | 21/6:10.518 |
| 12 | 2 | 17.918 | 21/6:11.260 |
| 13 | 2 | 18.112 | 21/6:12.202 |
| 14 | 2 | 17.510 | 21/6:12.073 |
| 15 | 2 | 17.794 | 21/6:12.368 |
| 16 | 2 | 17.627 | 21/6:12.402 |
| 17 | 2 | 17.865 | 21/6:12.728 |
| 18 | 2 | 17.606 | 21/6:12.711 |
| 19 | 2 | 17.623 | 21/6:12.716 |
| 20 | 2 | 17.544 | 21/6:12.636 |
| 21 | 2 | 17.625 | 21/6:12.646 |