| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 17.952 | 21/6:16.992 |
| 2 | 3 | 19.048 | 20/6:10.000 |
| 3 | 3 | 18.277 | 20/6:08.513 |
| 4 | 3 | 17.386 | 20/6:03.315 |
| 5 | 3 | 19.564 | 20/6:08.908 |
| 6 | 3 | 18.740 | 20/6:09.890 |
| 7 | 4 | 18.782 | 20/6:10.711 |
| 8 | 4 | 17.714 | 20/6:08.657 |
| 9 | 4 | 18.591 | 20/6:09.009 |
| 10 | 3 | 19.896 | 20/6:11.900 |
| 11 | 4 | 18.447 | 20/6:11.631 |
| 12 | 4 | 17.435 | 20/6:09.720 |
| 13 | 4 | 18.538 | 20/6:09.800 |
| 14 | 4 | 18.193 | 20/6:09.376 |
| 15 | 4 | 18.641 | 20/6:09.605 |
| 16 | 4 | 18.558 | 20/6:09.702 |
| 17 | 4 | 19.860 | 20/6:11.320 |
| 18 | 4 | 18.048 | 20/6:10.744 |
| 19 | 4 | 18.310 | 20/6:10.505 |
| 20 | 4 | 18.739 | 20/6:10.719 |