| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 21.292 | 17/6:01.964 |
| 2 | 4 | 20.532 | 18/6:16.416 |
| 3 | 5 | 20.610 | 18/6:14.604 |
| 4 | 5 | 21.246 | 18/6:16.560 |
| 5 | 5 | 22.073 | 18/6:20.711 |
| 6 | 5 | 20.593 | 18/6:19.038 |
| 7 | 4 | 20.080 | 18/6:16.524 |
| 8 | 3 | 20.251 | 18/6:15.023 |
| 9 | 4 | 20.741 | 18/6:14.836 |
| 10 | 4 | 21.806 | 18/6:16.603 |
| 11 | 5 | 21.012 | 18/6:16.750 |
| 12 | 5 | 20.662 | 18/6:16.347 |
| 13 | 5 | 21.658 | 18/6:17.385 |
| 14 | 5 | 20.584 | 18/6:16.894 |
| 15 | 5 | 21.202 | 18/6:17.210 |
| 16 | 5 | 20.455 | 18/6:16.647 |
| 17 | 5 | 20.213 | 18/6:15.893 |
| 18 | 5 | 21.203 | 18/6:16.213 |