| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 15.129 | 20/5:02.580 |
| 2 | 1 | 15.777 | 20/5:09.060 |
| 3 | 1 | 15.393 | 20/5:08.660 |
| 4 | 1 | 15.571 | 20/5:09.350 |
| 5 | 2 | 15.810 | 20/5:10.720 |
| 6 | 2 | 15.480 | 20/5:10.533 |
| 7 | 2 | 15.990 | 20/5:11.857 |
| 8 | 1 | 15.614 | 20/5:11.910 |
| 9 | 2 | 16.217 | 20/5:13.291 |
| 10 | 2 | 15.874 | 20/5:13.710 |
| 11 | 3 | 19.282 | 19/5:04.237 |
| 12 | 3 | 17.154 | 19/5:06.044 |
| 13 | 3 | 15.940 | 19/5:05.799 |
| 14 | 3 | 15.576 | 19/5:05.095 |
| 15 | 3 | 16.148 | 19/5:05.210 |
| 16 | 3 | 15.610 | 19/5:04.671 |
| 17 | 4 | 18.247 | 19/5:07.143 |
| 18 | 4 | 15.556 | 19/5:06.500 |
| 19 | 4 | 15.892 | 19/5:06.260 |