| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 20.253 | 18/6:04.554 |
| 2 | 4 | 19.838 | 18/6:00.819 |
| 3 | 5 | 20.606 | 18/6:04.182 |
| 4 | 5 | 22.480 | 18/6:14.297 |
| 5 | 5 | 19.649 | 18/6:10.174 |
| 6 | 6 | 20.813 | 18/6:10.917 |
| 7 | 6 | 20.127 | 18/6:09.684 |
| 8 | 5 | 18.951 | 18/6:06.113 |
| 9 | 5 | 20.127 | 18/6:05.688 |
| 10 | 5 | 22.370 | 18/6:09.385 |
| 11 | 6 | 24.071 | 18/6:15.194 |
| 12 | 6 | 20.133 | 18/6:14.127 |
| 13 | 6 | 19.788 | 18/6:12.747 |
| 14 | 6 | 20.828 | 18/6:12.901 |
| 15 | 6 | 20.518 | 18/6:12.662 |
| 16 | 6 | 21.733 | 18/6:13.821 |
| 17 | 6 | 21.510 | 18/6:14.606 |
| 18 | 6 | 20.380 | 18/6:14.175 |