| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 17.079 | 18/5:07.422 |
| 2 | 1 | 17.272 | 18/5:09.159 |
| 3 | 1 | 17.282 | 18/5:09.798 |
| 4 | 1 | 17.207 | 18/5:09.780 |
| 5 | 1 | 17.262 | 18/5:09.967 |
| 6 | 1 | 17.653 | 18/5:11.265 |
| 7 | 1 | 17.607 | 18/5:12.074 |
| 8 | 1 | 17.323 | 18/5:12.041 |
| 9 | 1 | 17.195 | 18/5:11.760 |
| 10 | 1 | 18.097 | 18/5:13.159 |
| 11 | 2 | 17.724 | 18/5:13.693 |
| 12 | 2 | 17.451 | 18/5:13.728 |
| 13 | 3 | 18.365 | 18/5:15.024 |
| 14 | 3 | 18.190 | 18/5:15.909 |
| 15 | 3 | 17.184 | 18/5:15.469 |
| 16 | 3 | 17.942 | 18/5:15.937 |
| 17 | 3 | 17.364 | 18/5:15.738 |
| 18 | 3 | 17.694 | 18/5:15.891 |