| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 20.641 | N/A |
| 2 | 1 | 18.984 | 19/6:02.353 |
| 3 | 2 | 20.247 | 19/6:13.072 |
| 4 | 2 | 19.084 | 19/6:10.531 |
| 5 | 2 | 20.495 | 19/6:15.286 |
| 6 | 2 | 18.936 | 19/6:12.526 |
| 7 | 2 | 19.481 | 19/6:12.322 |
| 8 | 2 | 18.946 | 19/6:10.800 |
| 9 | 2 | 20.346 | 19/6:12.808 |
| 10 | 2 | 18.524 | 19/6:10.727 |
| 11 | 2 | 19.042 | 19/6:09.994 |
| 12 | 2 | 18.941 | 19/6:09.229 |
| 13 | 2 | 19.490 | 19/6:09.415 |
| 14 | 2 | 20.608 | 19/6:11.120 |
| 15 | 2 | 19.646 | 19/6:11.345 |
| 16 | 2 | 21.940 | 19/6:14.293 |
| 17 | 1 | 20.274 | 19/6:14.998 |
| 18 | 1 | 21.218 | 19/6:16.619 |
| 19 | 1 | 19.168 | 19/6:16.011 |