| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 5 | 22.103 | 17/6:15.751 |
| 2 | 3 | 20.518 | 17/6:02.279 |
| 3 | 3 | 20.588 | 18/6:19.254 |
| 4 | 2 | 20.530 | 18/6:16.826 |
| 5 | 2 | 20.377 | 18/6:14.818 |
| 6 | 2 | 20.515 | 18/6:13.893 |
| 7 | 2 | 20.118 | 18/6:12.212 |
| 8 | 2 | 21.116 | 18/6:13.196 |
| 9 | 2 | 20.756 | 18/6:13.242 |
| 10 | 2 | 20.560 | 18/6:12.926 |
| 11 | 2 | 20.123 | 18/6:11.952 |
| 12 | 2 | 20.696 | 18/6:12.000 |
| 13 | 2 | 21.004 | 18/6:12.467 |
| 14 | 2 | 20.697 | 18/6:12.473 |
| 15 | 2 | 21.789 | 18/6:13.788 |
| 16 | 2 | 20.752 | 18/6:13.772 |
| 17 | 2 | 20.724 | 18/6:13.729 |
| 18 | 2 | 21.081 | 18/6:14.047 |