| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 15.376 | 20/5:07.520 |
| 2 | 2 | 15.565 | 20/5:09.410 |
| 3 | 2 | 15.494 | 20/5:09.567 |
| 4 | 3 | 15.407 | 20/5:09.210 |
| 5 | 3 | 15.580 | 20/5:09.688 |
| 6 | 3 | 15.690 | 20/5:10.373 |
| 7 | 3 | 15.480 | 20/5:10.263 |
| 8 | 3 | 15.344 | 20/5:09.840 |
| 9 | 3 | 15.433 | 20/5:09.709 |
| 10 | 3 | 15.595 | 20/5:09.928 |
| 11 | 3 | 15.597 | 20/5:10.111 |
| 12 | 3 | 15.529 | 20/5:10.150 |
| 13 | 4 | 15.936 | 20/5:10.809 |
| 14 | 4 | 16.042 | 20/5:11.526 |
| 15 | 4 | 15.514 | 20/5:11.443 |
| 16 | 4 | 15.569 | 20/5:11.439 |
| 17 | 4 | 15.706 | 20/5:11.596 |
| 18 | 4 | 17.298 | 20/5:13.506 |
| 19 | 4 | 15.531 | 20/5:13.354 |
| 20 | 4 | 18.759 | 20/5:16.445 |