| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 15.322 | 20/5:06.044 |
| 2 | 2 | 15.148 | 20/5:04.007 |
| 3 | 2 | 15.496 | 20/5:06.044 |
| 4 | 1 | 15.289 | 20/5:06.275 |
| 5 | 1 | 15.308 | 20/5:06.252 |
| 6 | 1 | 15.339 | 20/5:06.034 |
| 7 | 1 | 15.292 | 20/5:06.268 |
| 8 | 1 | 15.349 | 20/5:06.357 |
| 9 | 1 | 16.439 | 20/5:08.848 |
| 10 | 1 | 15.184 | 20/5:08.332 |
| 11 | 1 | 15.205 | 20/5:07.947 |
| 12 | 1 | 15.588 | 20/5:08.265 |
| 13 | 1 | 15.634 | 20/5:08.604 |
| 14 | 1 | 15.981 | 20/5:09.391 |
| 15 | 1 | 15.416 | 20/5:09.032 |
| 16 | 1 | 15.755 | 20/5:09.681 |
| 17 | 1 | 15.557 | 20/5:09.767 |
| 18 | 1 | 15.684 | 20/5:09.984 |
| 19 | 1 | 15.219 | 20/5:09.689 |
| 20 | 1 | 15.239 | 20/5:09.444 |