| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 18.241 | 20/6:04.820 |
| 2 | 3 | 18.753 | 20/6:09.940 |
| 3 | 3 | 18.618 | 20/6:10.747 |
| 4 | 3 | 18.752 | 20/6:11.820 |
| 5 | 4 | 19.859 | 20/6:16.892 |
| 6 | 4 | 19.215 | 20/6:18.127 |
| 7 | 4 | 18.182 | 20/6:16.057 |
| 8 | 4 | 18.398 | 20/6:15.045 |
| 9 | 5 | 18.333 | 20/6:14.113 |
| 10 | 4 | 18.554 | 20/6:13.810 |
| 11 | 3 | 18.046 | 20/6:12.638 |
| 12 | 3 | 18.983 | 20/6:13.223 |
| 13 | 3 | 19.025 | 20/6:13.783 |
| 14 | 5 | 23.258 | 19/6:01.294 |
| 15 | 5 | 18.893 | 19/6:01.139 |
| 16 | 4 | 18.689 | 19/6:00.761 |
| 17 | 4 | 17.745 | 20/6:18.287 |
| 18 | 4 | 19.768 | 19/6:00.274 |
| 19 | 4 | 18.894 | 19/6:00.206 |