| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 3.314 | 20/1:06.280 |
| 2 | 2 | 6.758 | 20/1:40.720 |
| 3 | 2 | 7.104 | 20/1:54.507 |
| 4 | 3 | 7.431 | 20/2:03.035 |
| 5 | 3 | 7.138 | 20/2:06.980 |
| 6 | 4 | 7.499 | 20/2:10.813 |
| 7 | 4 | 7.374 | 20/2:13.194 |
| 8 | 4 | 6.863 | 20/2:13.703 |
| 9 | 4 | 7.188 | 20/2:14.820 |
| 10 | 4 | 7.095 | 20/2:15.528 |
| 11 | 4 | 7.060 | 20/2:16.044 |
| 12 | 3 | 7.248 | 20/2:16.787 |
| 13 | 3 | 7.379 | 20/2:17.617 |
| 14 | 3 | 7.446 | 20/2:18.424 |
| 15 | 3 | 7.212 | 20/2:18.812 |
| 16 | 3 | 8.069 | 20/2:20.223 |
| 17 | 3 | 7.366 | 20/2:20.640 |
| 18 | 3 | 7.299 | 20/2:20.937 |
| 19 | 3 | 7.112 | 20/2:21.005 |
| 20 | 3 | 7.238 | 20/2:21.193 |