| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 22.019 | N/A |
| 2 | 4 | 21.083 | 20/7:02.596 |
| 3 | 5 | 26.115 | 18/7:03.202 |
| 4 | 5 | 21.633 | 19/7:15.005 |
| 5 | 5 | 20.731 | 19/7:05.048 |
| 6 | 5 | 22.392 | 19/7:05.053 |
| 7 | 4 | 21.536 | 19/7:02.489 |
| 8 | 4 | 21.014 | 20/7:21.387 |
| 9 | 4 | 22.351 | 20/7:22.049 |
| 10 | 4 | 21.160 | 20/7:20.050 |
| 11 | 4 | 21.775 | 20/7:19.062 |
| 12 | 4 | 20.515 | 20/7:17.091 |
| 13 | 4 | 21.500 | 20/7:16.543 |
| 14 | 4 | 23.103 | 20/7:18.423 |
| 15 | 4 | 21.043 | 20/7:17.238 |
| 16 | 4 | 20.555 | 20/7:15.593 |
| 17 | 4 | 26.322 | 20/7:21.002 |
| 18 | 4 | 21.591 | 20/7:20.487 |
| 19 | 4 | 20.364 | 20/7:18.734 |
| 20 | 4 | 20.993 | 20/7:17.795 |