| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 22.393 | N/A |
| 2 | 1 | 20.425 | 21/7:10.893 |
| 3 | 1 | 20.462 | 21/7:11.263 |
| 4 | 1 | 20.629 | 21/7:12.499 |
| 5 | 1 | 20.103 | 21/7:10.488 |
| 6 | 1 | 20.273 | 21/7:09.961 |
| 7 | 2 | 25.691 | 20/7:06.405 |
| 8 | 3 | 22.500 | 20/7:09.761 |
| 9 | 3 | 21.164 | 20/7:09.104 |
| 10 | 4 | 23.849 | 20/7:14.262 |
| 11 | 3 | 20.129 | 20/7:11.320 |
| 12 | 4 | 22.036 | 20/7:12.207 |
| 13 | 4 | 20.386 | 20/7:10.334 |
| 14 | 4 | 23.160 | 20/7:12.803 |
| 15 | 4 | 20.056 | 20/7:10.707 |
| 16 | 4 | 21.257 | 20/7:10.411 |
| 17 | 4 | 19.648 | 20/7:08.242 |
| 18 | 4 | 23.478 | 20/7:10.609 |
| 19 | 4 | 19.393 | 20/7:08.400 |
| 20 | 3 | 22.174 | 20/7:09.206 |