| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 19.024 | N/A |
| 2 | 3 | 18.054 | 20/6:02.005 |
| 3 | 3 | 18.344 | 20/6:04.805 |
| 4 | 3 | 17.989 | 20/6:03.475 |
| 5 | 3 | 18.313 | 20/6:04.349 |
| 6 | 3 | 21.382 | 20/6:16.535 |
| 7 | 3 | 20.007 | 19/6:01.291 |
| 8 | 3 | 18.565 | 19/6:00.134 |
| 9 | 3 | 17.466 | 20/6:15.559 |
| 10 | 3 | 17.992 | 20/6:13.927 |
| 11 | 3 | 18.890 | 20/6:14.327 |
| 12 | 3 | 19.763 | 20/6:16.163 |
| 13 | 3 | 22.269 | 19/6:02.575 |
| 14 | 3 | 18.794 | 19/6:02.170 |
| 15 | 3 | 18.056 | 19/6:00.874 |
| 16 | 3 | 18.244 | 20/6:18.919 |
| 17 | 3 | 23.367 | 19/6:04.955 |
| 18 | 3 | 17.799 | 19/6:03.452 |
| 19 | 3 | 18.112 | 19/6:02.430 |