| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 25.783 | N/A |
| 2 | 3 | 20.523 | 21/7:16.243 |
| 3 | 3 | 19.926 | 21/7:10.273 |
| 4 | 3 | 19.337 | 21/7:04.356 |
| 5 | 3 | 19.956 | 21/7:04.493 |
| 6 | 3 | 19.455 | 21/7:02.571 |
| 7 | 3 | 20.556 | 21/7:04.959 |
| 8 | 2 | 20.523 | 21/7:06.571 |
| 9 | 3 | 23.210 | 21/7:14.498 |
| 10 | 3 | 19.092 | 21/7:11.511 |
| 11 | 2 | 20.345 | 21/7:11.629 |
| 12 | 2 | 20.400 | 21/7:11.824 |
| 13 | 2 | 19.466 | 21/7:10.431 |
| 14 | 2 | 20.874 | 21/7:11.418 |
| 15 | 3 | 20.754 | 21/7:12.093 |
| 16 | 3 | 19.794 | 21/7:11.397 |
| 17 | 3 | 19.492 | 21/7:10.411 |
| 18 | 3 | 19.428 | 21/7:09.466 |
| 19 | 3 | 20.402 | 21/7:09.708 |
| 20 | 3 | 19.859 | 21/7:09.353 |
| 21 | 2 | 25.302 | 21/7:14.477 |