| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 25.242 | N/A |
| 2 | 2 | 20.693 | 21/7:19.102 |
| 3 | 2 | 21.100 | 20/7:02.275 |
| 4 | 2 | 20.593 | 20/7:00.353 |
| 5 | 2 | 20.151 | 21/7:17.927 |
| 6 | 2 | 21.037 | 21/7:19.538 |
| 7 | 2 | 21.095 | 20/7:00.027 |
| 8 | 2 | 20.835 | 20/7:00.181 |
| 9 | 2 | 20.078 | 21/7:19.197 |
| 10 | 2 | 22.463 | 20/7:02.225 |
| 11 | 2 | 20.619 | 20/7:01.703 |
| 12 | 2 | 20.246 | 20/7:00.632 |
| 13 | 2 | 20.068 | 21/7:20.205 |
| 14 | 2 | 20.486 | 21/7:19.802 |
| 15 | 2 | 20.540 | 21/7:19.533 |
| 16 | 2 | 22.070 | 20/7:00.535 |
| 17 | 2 | 21.259 | 20/7:01.074 |
| 18 | 2 | 24.584 | 20/7:05.266 |
| 19 | 4 | 27.841 | 20/7:12.431 |
| 20 | 4 | 22.162 | 20/7:13.162 |