| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 5 | 21.287 | 17/6:01.879 |
| 2 | 3 | 19.633 | 18/6:08.280 |
| 3 | 2 | 20.874 | 18/6:10.764 |
| 4 | 3 | 22.266 | 18/6:18.270 |
| 5 | 2 | 19.709 | 18/6:13.568 |
| 6 | 1 | 19.434 | 18/6:09.609 |
| 7 | 1 | 20.103 | 18/6:08.501 |
| 8 | 1 | 20.687 | 18/6:08.984 |
| 9 | 1 | 20.192 | 18/6:08.370 |
| 10 | 2 | 21.857 | 18/6:10.876 |
| 11 | 1 | 19.852 | 18/6:09.645 |
| 12 | 2 | 25.757 | 18/6:17.477 |
| 13 | 2 | 20.796 | 18/6:17.234 |
| 14 | 2 | 20.573 | 18/6:16.740 |
| 15 | 2 | 22.035 | 18/6:18.066 |
| 16 | 2 | 20.907 | 18/6:17.957 |
| 17 | 2 | 20.169 | 18/6:17.080 |
| 18 | 2 | 19.916 | 18/6:16.047 |