| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 17.799 | 21/6:13.779 |
| 2 | 1 | 17.665 | 21/6:12.372 |
| 3 | 2 | 17.426 | 21/6:10.230 |
| 4 | 2 | 17.374 | 21/6:08.886 |
| 5 | 2 | 17.840 | 21/6:10.037 |
| 6 | 2 | 17.687 | 21/6:10.269 |
| 7 | 2 | 17.291 | 21/6:09.246 |
| 8 | 2 | 17.270 | 21/6:08.424 |
| 9 | 1 | 17.514 | 21/6:08.354 |
| 10 | 2 | 18.383 | 21/6:10.123 |
| 11 | 2 | 18.624 | 21/6:12.030 |
| 12 | 2 | 18.401 | 21/6:13.230 |
| 13 | 2 | 17.890 | 21/6:13.419 |
| 14 | 2 | 17.665 | 21/6:13.244 |
| 15 | 2 | 21.922 | 20/6:01.001 |
| 16 | 2 | 18.117 | 20/6:01.085 |
| 17 | 2 | 17.472 | 20/6:00.400 |
| 18 | 2 | 17.209 | 21/6:17.474 |
| 19 | 2 | 17.392 | 21/6:16.830 |
| 20 | 2 | 18.303 | 21/6:17.206 |
| 21 | 2 | 18.813 | 21/6:18.057 |