| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 29.232 | N/A |
| 2 | 4 | 20.302 | 21/7:15.272 |
| 3 | 2 | 20.829 | 21/7:20.542 |
| 4 | 2 | 20.402 | 21/7:19.452 |
| 5 | 2 | 20.552 | 21/7:19.657 |
| 6 | 2 | 21.157 | 20/7:01.551 |
| 7 | 2 | 20.707 | 20/7:01.737 |
| 8 | 2 | 19.964 | 21/7:20.412 |
| 9 | 3 | 23.522 | 20/7:06.890 |
| 10 | 3 | 21.122 | 20/7:07.296 |
| 11 | 2 | 19.974 | 20/7:05.440 |
| 12 | 3 | 25.460 | 20/7:13.398 |
| 13 | 2 | 20.713 | 20/7:12.513 |
| 14 | 2 | 20.948 | 20/7:12.108 |
| 15 | 4 | 24.229 | 20/7:16.213 |
| 16 | 4 | 21.181 | 20/7:15.910 |
| 17 | 4 | 23.151 | 20/7:17.984 |
| 18 | 4 | 21.612 | 20/7:18.095 |
| 19 | 4 | 20.472 | 20/7:16.989 |
| 20 | 4 | 22.874 | 20/7:18.403 |