| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 18.216 | 20/6:04.320 |
| 2 | 3 | 19.225 | 20/6:14.410 |
| 3 | 3 | 18.156 | 20/6:10.647 |
| 4 | 3 | 18.174 | 20/6:08.855 |
| 5 | 3 | 18.010 | 20/6:07.124 |
| 6 | 3 | 17.342 | 20/6:03.743 |
| 7 | 3 | 18.351 | 20/6:04.211 |
| 8 | 3 | 18.357 | 20/6:04.578 |
| 9 | 3 | 17.590 | 20/6:03.158 |
| 10 | 3 | 17.405 | 20/6:01.652 |
| 11 | 3 | 19.043 | 20/6:03.398 |
| 12 | 3 | 19.076 | 20/6:04.908 |
| 13 | 3 | 20.434 | 20/6:08.275 |
| 14 | 2 | 17.909 | 20/6:07.554 |
| 15 | 2 | 22.511 | 20/6:13.065 |
| 16 | 2 | 18.925 | 20/6:13.405 |
| 17 | 2 | 17.786 | 20/6:12.365 |
| 18 | 2 | 17.575 | 20/6:11.206 |
| 19 | 2 | 19.068 | 20/6:11.740 |
| 20 | 3 | 18.874 | 20/6:12.027 |