| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 17.422 | 21/6:05.862 |
| 2 | 5 | 17.976 | 21/6:11.679 |
| 3 | 4 | 17.496 | 21/6:10.258 |
| 4 | 5 | 17.885 | 21/6:11.590 |
| 5 | 5 | 18.632 | 21/6:15.526 |
| 6 | 4 | 17.860 | 21/6:15.448 |
| 7 | 5 | 17.681 | 21/6:14.856 |
| 8 | 5 | 18.500 | 21/6:16.562 |
| 9 | 5 | 18.973 | 20/6:00.944 |
| 10 | 5 | 18.057 | 20/6:00.964 |
| 11 | 5 | 17.960 | 20/6:00.804 |
| 12 | 5 | 18.171 | 20/6:01.022 |
| 13 | 5 | 17.801 | 20/6:00.637 |
| 14 | 5 | 17.295 | 21/6:17.563 |
| 15 | 5 | 17.988 | 21/6:17.576 |
| 16 | 5 | 17.556 | 21/6:17.020 |
| 17 | 5 | 17.624 | 21/6:16.613 |
| 18 | 5 | 17.640 | 21/6:16.270 |
| 19 | 5 | 17.719 | 21/6:16.050 |
| 20 | 5 | 18.362 | 21/6:16.528 |
| 21 | 5 | 17.841 | 21/6:16.439 |