| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 19.906 | 22/7:17.932 |
| 2 | 2 | 20.830 | 21/7:07.728 |
| 3 | 4 | 21.063 | 21/7:12.593 |
| 4 | 2 | 19.475 | 21/7:06.688 |
| 5 | 2 | 20.526 | 21/7:07.560 |
| 6 | 2 | 19.757 | 21/7:05.450 |
| 7 | 5 | 26.011 | 20/7:01.623 |
| 8 | 4 | 22.745 | 20/7:05.783 |
| 9 | 5 | 21.531 | 20/7:06.320 |
| 10 | 5 | 20.086 | 20/7:03.860 |
| 11 | 5 | 22.656 | 20/7:06.520 |
| 12 | 4 | 21.080 | 20/7:06.110 |
| 13 | 6 | 21.448 | 20/7:06.329 |
| 14 | 5 | 21.115 | 20/7:06.041 |
| 15 | 5 | 20.821 | 20/7:05.400 |
| 16 | 5 | 21.268 | 20/7:05.397 |
| 17 | 5 | 20.934 | 20/7:05.002 |
| 18 | 5 | 20.544 | 20/7:04.218 |
| 19 | 5 | 20.403 | 20/7:03.367 |
| 20 | 5 | 21.941 | 20/7:04.140 |