| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 17.320 | 21/6:03.720 |
| 2 | 1 | 17.403 | 21/6:04.591 |
| 3 | 1 | 17.898 | 21/6:08.347 |
| 4 | 1 | 17.405 | 21/6:07.636 |
| 5 | 2 | 18.992 | 21/6:13.876 |
| 6 | 2 | 18.076 | 21/6:14.829 |
| 7 | 2 | 16.948 | 21/6:12.126 |
| 8 | 2 | 17.969 | 21/6:12.779 |
| 9 | 2 | 20.878 | 20/6:01.976 |
| 10 | 2 | 17.578 | 20/6:00.934 |
| 11 | 2 | 19.174 | 20/6:02.984 |
| 12 | 2 | 18.086 | 20/6:02.878 |
| 13 | 1 | 17.684 | 20/6:02.171 |
| 14 | 1 | 17.534 | 20/6:01.350 |
| 15 | 1 | 17.286 | 20/6:00.308 |
| 16 | 1 | 18.057 | 20/6:00.360 |
| 17 | 1 | 17.372 | 21/6:17.580 |
| 18 | 1 | 18.003 | 21/6:17.607 |
| 19 | 1 | 17.852 | 21/6:17.464 |
| 20 | 1 | 17.712 | 21/6:17.188 |
| 21 | 1 | 17.916 | 21/6:17.143 |