| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 17.416 | 21/6:05.736 |
| 2 | 1 | 17.900 | 21/6:10.818 |
| 3 | 2 | 18.087 | 21/6:13.821 |
| 4 | 1 | 17.651 | 21/6:13.034 |
| 5 | 1 | 17.546 | 21/6:12.120 |
| 6 | 1 | 17.523 | 21/6:11.430 |
| 7 | 1 | 18.906 | 21/6:15.087 |
| 8 | 1 | 17.858 | 21/6:15.078 |
| 9 | 2 | 18.399 | 21/6:16.334 |
| 10 | 2 | 17.628 | 21/6:15.719 |
| 11 | 2 | 17.604 | 21/6:15.171 |
| 12 | 2 | 17.796 | 21/6:15.049 |
| 13 | 2 | 17.803 | 21/6:14.958 |
| 14 | 2 | 17.632 | 21/6:14.623 |
| 15 | 2 | 17.652 | 21/6:14.361 |
| 16 | 2 | 17.981 | 21/6:14.564 |
| 17 | 2 | 17.390 | 21/6:14.012 |
| 18 | 2 | 17.911 | 21/6:14.130 |
| 19 | 2 | 17.734 | 21/6:14.040 |
| 20 | 2 | 17.452 | 21/6:13.662 |
| 21 | 2 | 17.509 | 21/6:13.378 |