| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 20.194 | 21/7:04.074 |
| 2 | 1 | 19.243 | 22/7:13.807 |
| 3 | 2 | 20.477 | 22/7:19.369 |
| 4 | 1 | 19.109 | 22/7:14.626 |
| 5 | 1 | 18.725 | 22/7:10.091 |
| 6 | 1 | 21.290 | 22/7:16.473 |
| 7 | 1 | 18.365 | 22/7:11.838 |
| 8 | 1 | 25.898 | 21/7:08.665 |
| 9 | 2 | 23.524 | 21/7:15.925 |
| 10 | 3 | 31.355 | 20/7:16.360 |
| 11 | 3 | 23.442 | 20/7:19.313 |
| 12 | 3 | 23.982 | 19/7:00.540 |
| 13 | 3 | 19.774 | 20/7:19.043 |
| 14 | 3 | 18.999 | 20/7:14.824 |
| 15 | 3 | 20.071 | 20/7:12.597 |
| 16 | 3 | 18.125 | 20/7:08.216 |
| 17 | 2 | 17.604 | 20/7:03.738 |
| 18 | 2 | 18.542 | 20/7:00.799 |
| 19 | 2 | 18.736 | 21/7:19.292 |
| 20 | 2 | 18.928 | 21/7:17.202 |
| 21 | 2 | 20.675 | 21/7:17.058 |