| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 15.362 | 20/5:07.240 |
| 2 | 1 | 15.392 | 20/5:07.540 |
| 3 | 1 | 15.516 | 20/5:08.467 |
| 4 | 1 | 15.535 | 20/5:09.025 |
| 5 | 1 | 15.462 | 20/5:09.068 |
| 6 | 1 | 15.553 | 20/5:09.400 |
| 7 | 1 | 15.701 | 20/5:10.060 |
| 8 | 1 | 15.698 | 20/5:10.548 |
| 9 | 1 | 15.757 | 20/5:11.058 |
| 10 | 1 | 15.818 | 20/5:11.588 |
| 11 | 1 | 15.645 | 20/5:11.707 |
| 12 | 1 | 15.625 | 20/5:11.773 |
| 13 | 1 | 15.834 | 20/5:12.151 |
| 14 | 1 | 15.476 | 20/5:11.963 |
| 15 | 1 | 15.615 | 20/5:11.985 |
| 16 | 1 | 15.937 | 20/5:12.408 |
| 17 | 1 | 15.548 | 20/5:12.322 |
| 18 | 1 | 15.575 | 20/5:12.277 |
| 19 | 1 | 15.590 | 20/5:12.252 |
| 20 | 1 | 15.543 | 20/5:12.182 |