| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 15.721 | 18/4:42.978 |
| 2 | 1 | 17.650 | 18/5:00.339 |
| 3 | 1 | 17.399 | 18/5:04.620 |
| 4 | 1 | 17.435 | 18/5:06.923 |
| 5 | 1 | 17.432 | 18/5:08.293 |
| 6 | 1 | 17.436 | 18/5:09.219 |
| 7 | 1 | 17.404 | 18/5:09.798 |
| 8 | 1 | 17.360 | 18/5:10.133 |
| 9 | 1 | 17.388 | 18/5:10.450 |
| 10 | 1 | 17.225 | 18/5:10.410 |
| 11 | 1 | 18.124 | 18/5:11.848 |
| 12 | 1 | 17.586 | 18/5:12.240 |
| 13 | 1 | 17.940 | 18/5:13.062 |
| 14 | 2 | 20.385 | 18/5:16.909 |
| 15 | 3 | 20.308 | 18/5:20.152 |
| 16 | 3 | 18.045 | 18/5:20.443 |
| 17 | 3 | 18.130 | 18/5:20.790 |
| 18 | 4 | 19.632 | 18/5:22.600 |