| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 20.203 | 21/7:04.263 |
| 2 | 2 | 20.393 | 21/7:06.258 |
| 3 | 2 | 20.227 | 21/7:05.761 |
| 4 | 2 | 23.346 | 20/7:00.845 |
| 5 | 2 | 20.109 | 21/7:17.968 |
| 6 | 2 | 20.303 | 21/7:16.034 |
| 7 | 3 | 23.602 | 20/7:03.380 |
| 8 | 2 | 20.761 | 20/7:02.360 |
| 9 | 2 | 20.528 | 20/7:01.049 |
| 10 | 2 | 22.391 | 20/7:03.726 |
| 11 | 2 | 20.825 | 20/7:03.069 |
| 12 | 2 | 24.764 | 20/7:09.087 |
| 13 | 2 | 22.993 | 20/7:11.454 |
| 14 | 2 | 19.996 | 20/7:09.201 |
| 15 | 2 | 19.925 | 20/7:07.155 |
| 16 | 2 | 20.559 | 20/7:06.156 |
| 17 | 2 | 20.289 | 20/7:04.958 |
| 18 | 2 | 21.585 | 20/7:05.332 |
| 19 | 2 | 22.224 | 20/7:06.340 |
| 20 | 2 | 20.611 | 20/7:05.634 |