| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 19.991 | 19/6:19.829 |
| 2 | 3 | 20.095 | 18/6:00.774 |
| 3 | 3 | 18.776 | 19/6:12.793 |
| 4 | 3 | 19.164 | 19/6:10.623 |
| 5 | 3 | 19.610 | 19/6:11.017 |
| 6 | 2 | 19.408 | 19/6:10.639 |
| 7 | 2 | 19.933 | 19/6:11.795 |
| 8 | 2 | 19.958 | 19/6:12.721 |
| 9 | 2 | 19.411 | 19/6:12.286 |
| 10 | 3 | 20.004 | 19/6:13.065 |
| 11 | 4 | 20.905 | 19/6:15.259 |
| 12 | 4 | 19.989 | 19/6:15.636 |
| 13 | 4 | 20.163 | 19/6:16.210 |
| 14 | 3 | 20.463 | 19/6:17.109 |
| 15 | 3 | 18.835 | 19/6:15.826 |
| 16 | 4 | 19.804 | 19/6:15.854 |
| 17 | 4 | 19.857 | 19/6:15.938 |
| 18 | 3 | 19.228 | 19/6:15.349 |
| 19 | 4 | 19.581 | 19/6:15.175 |