| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 19.426 | N/A |
| 2 | 2 | 21.183 | 20/7:01.903 |
| 3 | 2 | 20.465 | 21/7:15.906 |
| 4 | 2 | 20.191 | 21/7:11.686 |
| 5 | 1 | 20.351 | 21/7:10.376 |
| 6 | 1 | 20.044 | 21/7:08.362 |
| 7 | 1 | 20.213 | 21/7:07.582 |
| 8 | 1 | 20.270 | 21/7:07.188 |
| 9 | 1 | 21.346 | 21/7:09.583 |
| 10 | 1 | 20.953 | 21/7:10.572 |
| 11 | 1 | 21.065 | 21/7:11.588 |
| 12 | 1 | 20.543 | 21/7:11.469 |
| 13 | 1 | 21.165 | 21/7:12.407 |
| 14 | 1 | 20.788 | 21/7:12.621 |
| 15 | 1 | 21.018 | 21/7:13.133 |
| 16 | 1 | 20.538 | 21/7:12.936 |
| 17 | 1 | 21.396 | 21/7:13.837 |
| 18 | 1 | 22.187 | 21/7:15.562 |
| 19 | 1 | 20.447 | 21/7:15.162 |
| 20 | 1 | 21.416 | 21/7:15.824 |
| 21 | 1 | 23.106 | 21/7:18.111 |