| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 15.893 | 19/5:01.967 |
| 2 | 1 | 15.123 | 20/5:10.160 |
| 3 | 2 | 15.597 | 20/5:10.753 |
| 4 | 1 | 15.230 | 20/5:09.215 |
| 5 | 1 | 16.285 | 20/5:12.512 |
| 6 | 1 | 15.833 | 20/5:13.203 |
| 7 | 1 | 15.709 | 20/5:13.343 |
| 8 | 1 | 15.620 | 20/5:13.225 |
| 9 | 1 | 15.246 | 20/5:12.302 |
| 10 | 1 | 15.504 | 20/5:12.080 |
| 11 | 1 | 16.671 | 20/5:14.020 |
| 12 | 1 | 15.540 | 20/5:13.752 |
| 13 | 1 | 15.399 | 20/5:13.308 |
| 14 | 1 | 15.274 | 20/5:12.749 |
| 15 | 1 | 15.167 | 20/5:12.121 |
| 16 | 1 | 15.454 | 20/5:11.931 |
| 17 | 1 | 15.649 | 20/5:11.993 |
| 18 | 2 | 16.254 | 20/5:12.720 |
| 19 | 2 | 16.347 | 20/5:13.468 |
| 20 | 2 | 17.037 | 20/5:14.832 |