| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 15.413 | 20/5:08.026 |
| 2 | 2 | 15.701 | 20/5:11.014 |
| 3 | 2 | 15.398 | 20/5:10.008 |
| 4 | 2 | 16.084 | 20/5:12.098 |
| 5 | 2 | 15.216 | 20/5:11.248 |
| 6 | 2 | 15.289 | 20/5:10.336 |
| 7 | 2 | 15.174 | 20/5:09.357 |
| 8 | 2 | 15.755 | 20/5:10.075 |
| 9 | 4 | 17.895 | 20/5:15.388 |
| 10 | 3 | 15.364 | 20/5:14.578 |
| 11 | 3 | 15.558 | 20/5:14.267 |
| 12 | 3 | 15.290 | 20/5:13.561 |
| 13 | 3 | 15.660 | 20/5:13.533 |
| 14 | 3 | 15.546 | 20/5:13.347 |
| 15 | 3 | 15.367 | 20/5:12.946 |
| 16 | 3 | 15.158 | 20/5:12.335 |
| 17 | 3 | 15.690 | 20/5:12.421 |
| 18 | 3 | 15.508 | 20/5:12.295 |
| 19 | 3 | 15.816 | 20/5:12.507 |
| 20 | 4 | 15.221 | 20/5:12.103 |