| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 20.257 | 18/6:04.626 |
| 2 | 2 | 19.150 | 19/6:14.366 |
| 3 | 2 | 19.799 | 19/6:14.971 |
| 4 | 2 | 19.782 | 19/6:15.193 |
| 5 | 2 | 19.193 | 19/6:13.088 |
| 6 | 3 | 20.102 | 19/6:14.563 |
| 7 | 3 | 19.698 | 19/6:14.520 |
| 8 | 3 | 21.906 | 19/6:19.732 |
| 9 | 3 | 19.776 | 19/6:19.289 |
| 10 | 4 | 25.492 | 18/6:09.279 |
| 11 | 4 | 22.785 | 18/6:12.993 |
| 12 | 4 | 24.494 | 18/6:18.651 |
| 13 | 4 | 20.006 | 18/6:17.225 |
| 14 | 4 | 23.144 | 18/6:20.037 |
| 15 | 4 | 19.057 | 18/6:17.569 |
| 16 | 4 | 19.050 | 18/6:15.402 |
| 17 | 4 | 19.722 | 18/6:14.202 |
| 18 | 4 | 22.195 | 18/6:15.608 |