| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 19.045 | 19/6:01.855 |
| 2 | 3 | 18.707 | 20/6:17.520 |
| 3 | 3 | 18.469 | 20/6:14.807 |
| 4 | 3 | 19.189 | 20/6:17.050 |
| 5 | 2 | 18.262 | 20/6:14.688 |
| 6 | 2 | 18.588 | 20/6:14.200 |
| 7 | 2 | 19.516 | 20/6:16.503 |
| 8 | 2 | 18.480 | 20/6:15.640 |
| 9 | 3 | 18.236 | 20/6:14.427 |
| 10 | 3 | 17.946 | 20/6:12.876 |
| 11 | 3 | 18.747 | 20/6:13.064 |
| 12 | 3 | 18.141 | 20/6:12.210 |
| 13 | 3 | 17.978 | 20/6:11.237 |
| 14 | 3 | 18.578 | 20/6:11.260 |
| 15 | 2 | 18.480 | 20/6:11.149 |
| 16 | 2 | 18.493 | 20/6:11.069 |
| 17 | 3 | 18.597 | 20/6:11.120 |
| 18 | 3 | 18.816 | 20/6:11.409 |
| 19 | 3 | 18.550 | 20/6:11.387 |
| 20 | 3 | 18.553 | 20/6:11.371 |