| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 17.496 | 21/6:07.416 |
| 2 | 1 | 17.243 | 21/6:04.759 |
| 3 | 1 | 17.706 | 21/6:07.115 |
| 4 | 1 | 17.746 | 21/6:08.502 |
| 5 | 1 | 17.728 | 21/6:09.259 |
| 6 | 1 | 17.476 | 21/6:08.882 |
| 7 | 1 | 18.067 | 21/6:10.386 |
| 8 | 1 | 17.635 | 21/6:10.379 |
| 9 | 1 | 17.964 | 21/6:11.142 |
| 10 | 1 | 17.974 | 21/6:11.773 |
| 11 | 1 | 17.987 | 21/6:12.314 |
| 12 | 1 | 17.684 | 21/6:12.235 |
| 13 | 1 | 18.069 | 21/6:12.790 |
| 14 | 1 | 17.733 | 21/6:12.762 |
| 15 | 1 | 18.124 | 21/6:13.284 |
| 16 | 1 | 17.937 | 21/6:13.496 |
| 17 | 1 | 18.217 | 21/6:14.029 |
| 18 | 1 | 18.004 | 21/6:14.255 |
| 19 | 1 | 18.152 | 21/6:14.620 |
| 20 | 1 | 18.253 | 21/6:15.054 |
| 21 | 1 | 18.390 | 21/6:15.585 |