| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 24.466 | N/A |
| 2 | 2 | 26.910 | 18/8:01.936 |
| 3 | 2 | 26.924 | 18/8:02.055 |
| 4 | 2 | 22.951 | 19/8:05.176 |
| 5 | 2 | 23.679 | 20/8:21.067 |
| 6 | 1 | 25.243 | 20/8:22.152 |
| 7 | 1 | 22.846 | 20/8:14.883 |
| 8 | 1 | 25.712 | 20/8:17.471 |
| 9 | 1 | 27.062 | 20/8:22.617 |
| 10 | 1 | 24.284 | 20/8:20.755 |
| 11 | 1 | 25.415 | 20/8:21.415 |
| 12 | 1 | 24.361 | 20/8:20.134 |
| 13 | 1 | 22.777 | 20/8:16.559 |
| 14 | 1 | 24.037 | 20/8:15.375 |
| 15 | 1 | 22.982 | 20/8:12.928 |
| 16 | 1 | 23.331 | 20/8:11.250 |
| 17 | 1 | 23.180 | 20/8:09.602 |
| 18 | 1 | 23.424 | 20/8:08.421 |
| 19 | 1 | 23.263 | 20/8:07.201 |
| 20 | 1 | 23.053 | 20/8:05.900 |