| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 15.242 | 20/5:04.840 |
| 2 | 2 | 15.409 | 20/5:06.510 |
| 3 | 2 | 15.924 | 20/5:10.500 |
| 4 | 3 | 15.399 | 20/5:09.870 |
| 5 | 2 | 15.286 | 20/5:09.040 |
| 6 | 1 | 15.707 | 20/5:09.890 |
| 7 | 2 | 15.256 | 20/5:09.209 |
| 8 | 2 | 16.055 | 20/5:10.695 |
| 9 | 2 | 15.421 | 20/5:10.442 |
| 10 | 3 | 15.500 | 20/5:10.398 |
| 11 | 3 | 15.298 | 20/5:09.995 |
| 12 | 3 | 15.696 | 20/5:10.322 |
| 13 | 3 | 16.282 | 20/5:11.500 |
| 14 | 3 | 15.994 | 20/5:12.099 |
| 15 | 3 | 15.474 | 20/5:11.924 |
| 16 | 3 | 15.140 | 20/5:11.354 |
| 17 | 3 | 18.105 | 20/5:14.339 |
| 18 | 3 | 15.585 | 20/5:14.192 |
| 19 | 3 | 15.783 | 20/5:14.269 |
| 20 | 3 | 16.020 | 20/5:14.576 |