| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 18.877 | 20/6:17.540 |
| 2 | 4 | 17.991 | 20/6:08.680 |
| 3 | 4 | 19.112 | 20/6:13.200 |
| 4 | 4 | 16.703 | 20/6:03.415 |
| 5 | 4 | 19.575 | 20/6:09.032 |
| 6 | 4 | 17.814 | 20/6:06.907 |
| 7 | 4 | 25.915 | 19/6:09.108 |
| 8 | 4 | 17.157 | 19/6:03.717 |
| 9 | 4 | 16.719 | 20/6:17.473 |
| 10 | 4 | 21.081 | 19/6:02.794 |
| 11 | 4 | 17.403 | 20/6:18.813 |
| 12 | 4 | 17.182 | 20/6:15.882 |
| 13 | 4 | 17.140 | 20/6:13.337 |
| 14 | 4 | 16.158 | 20/6:09.753 |
| 15 | 4 | 16.545 | 20/6:07.163 |
| 16 | 4 | 23.747 | 20/6:13.899 |
| 17 | 4 | 18.811 | 20/6:14.035 |
| 18 | 4 | 17.604 | 20/6:12.816 |
| 19 | 4 | 19.784 | 20/6:14.019 |
| 20 | 4 | 18.487 | 20/6:13.805 |