| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 5 | 31.858 | N/A |
| 2 | 5 | 24.992 | 19/8:01.714 |
| 3 | 5 | 24.311 | 20/8:20.236 |
| 4 | 6 | 26.871 | 19/8:08.902 |
| 5 | 5 | 25.286 | 19/8:08.428 |
| 6 | 5 | 26.081 | 19/8:11.005 |
| 7 | 5 | 26.464 | 19/8:13.873 |
| 8 | 5 | 24.616 | 19/8:11.169 |
| 9 | 5 | 25.317 | 19/8:10.718 |
| 10 | 5 | 24.547 | 19/8:08.828 |
| 11 | 4 | 29.784 | 19/8:16.742 |
| 12 | 4 | 24.141 | 19/8:13.983 |
| 13 | 5 | 28.912 | 19/8:18.841 |
| 14 | 5 | 23.533 | 19/8:15.503 |
| 15 | 4 | 25.545 | 19/8:15.229 |
| 16 | 5 | 29.104 | 19/8:19.262 |
| 17 | 5 | 24.912 | 19/8:18.076 |
| 18 | 6 | 48.694 | 18/8:14.968 |