| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 18.019 | 20/6:00.380 |
| 2 | 2 | 17.762 | 21/6:15.700 |
| 3 | 2 | 18.424 | 20/6:01.367 |
| 4 | 2 | 17.999 | 20/6:01.020 |
| 5 | 3 | 18.095 | 20/6:01.196 |
| 6 | 2 | 20.879 | 20/6:10.593 |
| 7 | 2 | 19.170 | 20/6:12.423 |
| 8 | 2 | 18.443 | 20/6:11.978 |
| 9 | 2 | 19.113 | 20/6:13.120 |
| 10 | 2 | 19.628 | 20/6:15.064 |
| 11 | 2 | 18.137 | 20/6:13.944 |
| 12 | 2 | 18.510 | 20/6:13.632 |
| 13 | 3 | 19.428 | 20/6:14.780 |
| 14 | 3 | 26.033 | 19/6:05.940 |
| 15 | 3 | 18.428 | 19/6:04.886 |
| 16 | 3 | 21.962 | 19/6:08.161 |
| 17 | 3 | 18.174 | 19/6:06.816 |
| 18 | 3 | 18.660 | 19/6:06.134 |
| 19 | 3 | 20.767 | 19/6:07.631 |