| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 24.180 | N/A |
| 2 | 2 | 19.849 | 21/7:01.016 |
| 3 | 1 | 20.073 | 21/7:03.004 |
| 4 | 1 | 19.905 | 21/7:03.026 |
| 5 | 1 | 20.023 | 21/7:03.043 |
| 6 | 1 | 19.891 | 21/7:03.144 |
| 7 | 1 | 24.24 | 21/7:16.065 |
| 8 | 1 | 20.826 | 21/7:17.228 |
| 9 | 1 | 19.539 | 21/7:14.445 |
| 10 | 1 | 19.769 | 21/7:12.791 |
| 11 | 2 | 24.564 | 20/7:00.214 |
| 12 | 2 | 20.871 | 20/7:00.260 |
| 13 | 1 | 20.923 | 20/7:00.382 |
| 14 | 2 | 20.881 | 20/7:00.423 |
| 15 | 2 | 21.328 | 20/7:01.065 |
| 16 | 2 | 20.408 | 20/7:00.456 |
| 17 | 2 | 22.201 | 20/7:02.053 |
| 18 | 2 | 24.054 | 20/7:05.532 |
| 19 | 2 | 19.879 | 20/7:04.218 |
| 20 | 2 | 19.917 | 20/7:03.081 |