| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 22.320 | N/A |
| 2 | 3 | 17.106 | 21/6:04.044 |
| 3 | 3 | 17.391 | 21/6:07.029 |
| 4 | 3 | 16.596 | 21/6:02.094 |
| 5 | 3 | 17.337 | 21/6:04.047 |
| 6 | 3 | 15.977 | 22/6:16.829 |
| 7 | 3 | 16.733 | 22/6:16.031 |
| 8 | 3 | 17.981 | 21/6:02.665 |
| 9 | 3 | 16.556 | 21/6:01.512 |
| 10 | 3 | 16.793 | 21/6:01.142 |
| 11 | 3 | 15.944 | 22/6:15.989 |
| 12 | 3 | 16.945 | 22/6:16.187 |
| 13 | 4 | 17.455 | 21/6:00.343 |
| 14 | 3 | 17.876 | 21/6:01.843 |
| 15 | 4 | 22.015 | 21/6:09.041 |
| 16 | 4 | 22.118 | 21/6:15.417 |
| 17 | 4 | 17.545 | 21/6:15.028 |
| 18 | 4 | 18.756 | 21/6:16.583 |
| 19 | 4 | 17.216 | 21/6:16.031 |
| 20 | 4 | 22.228 | 20/6:02.888 |