| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 21.248 | 17/6:01.216 |
| 2 | 3 | 20.391 | 18/6:14.751 |
| 3 | 3 | 21.057 | 18/6:16.176 |
| 4 | 3 | 20.503 | 18/6:14.395 |
| 5 | 3 | 20.609 | 18/6:13.709 |
| 6 | 3 | 21.670 | 18/6:16.434 |
| 7 | 3 | 20.070 | 18/6:14.266 |
| 8 | 3 | 20.372 | 18/6:13.320 |
| 9 | 3 | 20.236 | 18/6:12.312 |
| 10 | 3 | 20.031 | 18/6:11.137 |
| 11 | 3 | 20.352 | 18/6:10.700 |
| 12 | 3 | 20.955 | 18/6:11.241 |
| 13 | 3 | 25.410 | 18/6:17.867 |
| 14 | 3 | 20.530 | 18/6:17.272 |
| 15 | 3 | 20.916 | 18/6:17.220 |
| 16 | 3 | 21.161 | 18/6:17.450 |
| 17 | 3 | 20.520 | 18/6:16.974 |
| 18 | 3 | 20.365 | 18/6:16.396 |