| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 17.597 | 21/6:09.537 |
| 2 | 2 | 18.143 | 21/6:15.270 |
| 3 | 3 | 18.630 | 20/6:02.467 |
| 4 | 3 | 17.443 | 21/6:17.018 |
| 5 | 2 | 17.729 | 21/6:16.076 |
| 6 | 2 | 18.039 | 21/6:16.534 |
| 7 | 2 | 17.594 | 21/6:15.525 |
| 8 | 3 | 19.046 | 20/6:00.553 |
| 9 | 3 | 17.607 | 21/6:17.599 |
| 10 | 3 | 17.750 | 21/6:17.114 |
| 11 | 2 | 18.721 | 20/6:00.544 |
| 12 | 2 | 19.630 | 20/6:03.215 |
| 13 | 2 | 17.539 | 20/6:02.258 |
| 14 | 2 | 17.879 | 20/6:01.924 |
| 15 | 2 | 17.810 | 20/6:01.543 |
| 16 | 2 | 17.596 | 20/6:00.941 |
| 17 | 2 | 19.407 | 20/6:02.541 |
| 18 | 2 | 17.701 | 20/6:02.068 |
| 19 | 2 | 18.327 | 20/6:02.303 |
| 20 | 2 | 18.651 | 20/6:02.839 |