| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 18.531 | 20/6:10.062 |
| 2 | 1 | 18.315 | 20/6:08.046 |
| 3 | 3 | 18.949 | 20/6:11.966 |
| 4 | 1 | 17.751 | 20/6:07.073 |
| 5 | 1 | 17.970 | 20/6:06.064 |
| 6 | 1 | 17.988 | 20/6:05.013 |
| 7 | 1 | 17.990 | 20/6:04.268 |
| 8 | 1 | 18.147 | 20/6:04.102 |
| 9 | 1 | 18.182 | 20/6:04.051 |
| 10 | 1 | 18.480 | 20/6:04.606 |
| 11 | 1 | 18.386 | 20/6:04.889 |
| 12 | 1 | 18.220 | 20/6:04.848 |
| 13 | 1 | 18.576 | 20/6:05.361 |
| 14 | 1 | 18.181 | 20/6:05.237 |
| 15 | 1 | 18.605 | 20/6:05.694 |
| 16 | 1 | 18.836 | 20/6:06.383 |
| 17 | 1 | 18.833 | 20/6:06.988 |
| 18 | 1 | 19.238 | 20/6:07.975 |
| 19 | 1 | 18.904 | 20/6:08.507 |
| 20 | 1 | 18.942 | 20/6:09.024 |