| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 19.620 | 19/6:12.780 |
| 2 | 3 | 20.670 | 18/6:02.610 |
| 3 | 4 | 22.890 | 18/6:19.080 |
| 4 | 4 | 19.960 | 18/6:14.130 |
| 5 | 4 | 21.390 | 18/6:16.308 |
| 6 | 4 | 19.050 | 18/6:10.740 |
| 7 | 3 | 19.810 | 18/6:08.717 |
| 8 | 4 | 20.190 | 18/6:08.055 |
| 9 | 4 | 24.370 | 18/6:15.900 |
| 10 | 4 | 20.570 | 18/6:15.336 |
| 11 | 4 | 22.440 | 18/6:17.935 |
| 12 | 4 | 23.420 | 17/6:00.372 |
| 13 | 4 | 19.920 | 18/6:19.800 |
| 14 | 4 | 19.550 | 18/6:17.807 |
| 15 | 4 | 19.290 | 18/6:15.768 |
| 16 | 4 | 20.450 | 18/6:15.289 |
| 17 | 4 | 19.810 | 18/6:14.188 |
| 18 | 3 | 19.110 | 18/6:12.510 |