| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 20.687 | 18/6:12.366 |
| 2 | 3 | 19.391 | 18/6:00.702 |
| 3 | 3 | 20.114 | 18/6:01.152 |
| 4 | 3 | 20.568 | 18/6:03.420 |
| 5 | 4 | 20.847 | 18/6:05.785 |
| 6 | 4 | 20.139 | 18/6:05.238 |
| 7 | 4 | 20.174 | 18/6:04.937 |
| 8 | 4 | 19.281 | 18/6:02.702 |
| 9 | 4 | 21.023 | 18/6:04.448 |
| 10 | 4 | 18.517 | 18/6:01.334 |
| 11 | 4 | 19.362 | 18/6:00.169 |
| 12 | 4 | 20.590 | 18/6:01.039 |
| 13 | 4 | 18.503 | 19/6:18.825 |
| 14 | 4 | 24.602 | 18/6:04.883 |
| 15 | 4 | 19.550 | 18/6:04.018 |
| 16 | 4 | 27.946 | 18/6:12.706 |
| 17 | 4 | 21.273 | 18/6:13.306 |
| 18 | 4 | 21.126 | 18/6:13.693 |