| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 17.691 | 21/6:11.511 |
| 2 | 2 | 17.987 | 21/6:14.619 |
| 3 | 1 | 17.505 | 21/6:12.281 |
| 4 | 2 | 18.247 | 21/6:15.007 |
| 5 | 2 | 17.446 | 21/6:13.279 |
| 6 | 2 | 18.319 | 21/6:15.182 |
| 7 | 2 | 18.928 | 20/6:00.351 |
| 8 | 2 | 17.927 | 20/6:00.125 |
| 9 | 2 | 18.353 | 20/6:00.896 |
| 10 | 2 | 19.691 | 20/6:04.188 |
| 11 | 2 | 17.639 | 20/6:03.151 |
| 12 | 2 | 17.832 | 20/6:02.608 |
| 13 | 2 | 17.518 | 20/6:01.666 |
| 14 | 2 | 18.126 | 20/6:01.727 |
| 15 | 2 | 17.357 | 20/6:00.755 |
| 16 | 2 | 17.618 | 20/6:00.230 |
| 17 | 2 | 17.896 | 20/6:00.094 |
| 18 | 2 | 17.628 | 21/6:17.659 |
| 19 | 2 | 17.372 | 21/6:16.983 |
| 20 | 2 | 17.722 | 21/6:16.742 |
| 21 | 2 | 17.439 | 21/6:16.241 |