| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 23.994 | N/A |
| 2 | 3 | 20.431 | 21/7:12.614 |
| 3 | 3 | 20.691 | 21/7:15.214 |
| 4 | 2 | 21.376 | 21/7:20.647 |
| 5 | 2 | 19.755 | 21/7:15.259 |
| 6 | 2 | 19.719 | 21/7:11.882 |
| 7 | 2 | 19.944 | 21/7:10.380 |
| 8 | 2 | 20.628 | 21/7:11.262 |
| 9 | 2 | 20.592 | 21/7:11.834 |
| 10 | 2 | 20.491 | 21/7:12.054 |
| 11 | 2 | 20.587 | 21/7:12.422 |
| 12 | 2 | 20.982 | 21/7:13.441 |
| 13 | 1 | 20.668 | 21/7:13.767 |
| 14 | 1 | 20.889 | 21/7:14.383 |
| 15 | 2 | 27.831 | 20/7:03.786 |
| 16 | 2 | 19.875 | 20/7:02.308 |
| 17 | 2 | 20.369 | 20/7:01.602 |
| 18 | 2 | 20.526 | 20/7:01.154 |
| 19 | 2 | 21.669 | 20/7:01.962 |
| 20 | 3 | 22.191 | 20/7:03.208 |