| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 20.163 | 21/7:03.423 |
| 2 | 5 | 27.257 | 18/7:06.780 |
| 3 | 4 | 19.382 | 19/7:03.079 |
| 4 | 4 | 20.433 | 20/7:16.175 |
| 5 | 5 | 24.245 | 19/7:03.624 |
| 6 | 5 | 20.415 | 20/7:19.650 |
| 7 | 6 | 22.410 | 20/7:20.871 |
| 8 | 5 | 24.169 | 19/7:03.876 |
| 9 | 6 | 19.940 | 20/7:20.920 |
| 10 | 5 | 19.992 | 20/7:16.812 |
| 11 | 5 | 19.647 | 20/7:12.824 |
| 12 | 5 | 20.197 | 20/7:10.417 |
| 13 | 5 | 20.428 | 20/7:08.735 |
| 14 | 4 | 22.154 | 20/7:09.760 |
| 15 | 4 | 20.431 | 20/7:08.351 |
| 16 | 4 | 21.625 | 20/7:08.610 |
| 17 | 4 | 20.871 | 20/7:07.952 |
| 18 | 4 | 24.438 | 20/7:11.330 |
| 19 | 4 | 19.533 | 20/7:09.189 |
| 20 | 4 | 23.791 | 20/7:11.521 |