| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 21.879 | 22/8:01.338 |
| 2 | 3 | 22.701 | 22/8:10.380 |
| 3 | 2 | 20.432 | 23/8:18.425 |
| 4 | 2 | 24.149 | 22/8:10.385 |
| 5 | 2 | 21.457 | 22/8:06.719 |
| 6 | 1 | 20.702 | 22/8:01.507 |
| 7 | 2 | 23.902 | 22/8:07.841 |
| 8 | 2 | 22.627 | 22/8:09.085 |
| 9 | 3 | 33.989 | 21/8:14.289 |
| 10 | 3 | 31.748 | 20/8:07.172 |
| 11 | 3 | 27.670 | 20/8:13.193 |
| 12 | 4 | 29.615 | 20/8:21.452 |
| 13 | 4 | 25.352 | 20/8:21.882 |
| 14 | 4 | 26.926 | 20/8:24.499 |
| 15 | 4 | 21.781 | 20/8:19.907 |
| 16 | 4 | 30.326 | 19/8:01.241 |
| 17 | 4 | 20.786 | 20/8:21.226 |
| 18 | 4 | 25.515 | 20/8:21.730 |
| 19 | 4 | 22.771 | 20/8:19.293 |
| 20 | 4 | 21.115 | 20/8:15.443 |