| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 18.010 | N/A |
| 2 | 1 | 17.252 | 21/6:03.005 |
| 3 | 1 | 17.500 | 21/6:05.053 |
| 4 | 1 | 17.339 | 21/6:05.283 |
| 5 | 2 | 18.068 | 21/6:08.805 |
| 6 | 2 | 17.557 | 21/6:08.874 |
| 7 | 2 | 18.595 | 21/6:12.038 |
| 8 | 3 | 18.375 | 21/6:14.255 |
| 9 | 3 | 17.750 | 21/6:14.001 |
| 10 | 3 | 18.637 | 21/6:15.095 |
| 11 | 3 | 18.291 | 21/6:16.738 |
| 12 | 3 | 17.972 | 21/6:16.802 |
| 13 | 3 | 17.969 | 21/6:16.851 |
| 14 | 3 | 18.093 | 21/6:17.083 |
| 15 | 3 | 18.015 | 21/6:17.171 |
| 16 | 3 | 19.124 | 20/6:00.690 |
| 17 | 3 | 18.511 | 20/6:01.254 |
| 18 | 3 | 17.950 | 20/6:01.125 |
| 19 | 3 | 18.095 | 20/6:01.163 |
| 20 | 3 | 17.979 | 20/6:01.082 |