| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 21.551 | 20/7:11.020 |
| 2 | 2 | 18.879 | 21/7:04.515 |
| 3 | 3 | 20.252 | 21/7:04.774 |
| 4 | 3 | 18.996 | 22/7:18.229 |
| 5 | 3 | 25.882 | 20/7:02.240 |
| 6 | 4 | 20.600 | 20/7:00.533 |
| 7 | 3 | 19.472 | 21/7:16.896 |
| 8 | 4 | 20.470 | 21/7:16.018 |
| 9 | 4 | 23.797 | 20/7:01.998 |
| 10 | 4 | 19.916 | 21/7:20.612 |
| 11 | 4 | 21.047 | 21/7:20.737 |
| 12 | 3 | 19.164 | 21/7:17.546 |
| 13 | 3 | 19.409 | 21/7:15.241 |
| 14 | 3 | 19.636 | 21/7:13.607 |
| 15 | 4 | 24.434 | 21/7:18.907 |
| 16 | 4 | 21.857 | 21/7:20.163 |
| 17 | 4 | 21.208 | 21/7:20.469 |
| 18 | 4 | 19.439 | 21/7:18.677 |
| 19 | 4 | 28.283 | 20/7:05.571 |
| 20 | 4 | 20.859 | 20/7:05.151 |