| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 17.278 | 21/6:02.838 |
| 2 | 2 | 17.622 | 21/6:06.450 |
| 3 | 3 | 17.695 | 21/6:08.165 |
| 4 | 4 | 19.296 | 21/6:17.428 |
| 5 | 4 | 18.550 | 20/6:01.764 |
| 6 | 4 | 17.539 | 21/6:17.930 |
| 7 | 3 | 18.360 | 20/6:00.971 |
| 8 | 3 | 17.647 | 21/6:17.966 |
| 9 | 3 | 17.640 | 21/6:17.130 |
| 10 | 3 | 17.282 | 21/6:15.709 |
| 11 | 3 | 17.837 | 21/6:15.606 |
| 12 | 3 | 17.415 | 21/6:14.782 |
| 13 | 3 | 18.066 | 21/6:15.136 |
| 14 | 3 | 17.507 | 21/6:14.601 |
| 15 | 3 | 17.179 | 21/6:13.678 |
| 16 | 3 | 17.455 | 21/6:13.233 |
| 17 | 3 | 17.049 | 21/6:12.339 |
| 18 | 3 | 17.664 | 21/6:12.261 |
| 19 | 4 | 18.897 | 21/6:13.555 |
| 20 | 4 | 23.733 | 20/6:01.711 |