| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 5 | 29.077 | N/A |
| 2 | 5 | 20.319 | 21/7:15.457 |
| 3 | 5 | 20.449 | 21/7:16.757 |
| 4 | 5 | 20.409 | 21/7:16.923 |
| 5 | 5 | 20.869 | 21/7:19.307 |
| 6 | 4 | 20.775 | 21/7:20.361 |
| 7 | 4 | 20.377 | 21/7:19.737 |
| 8 | 2 | 20.059 | 21/7:18.382 |
| 9 | 2 | 20.296 | 21/7:17.959 |
| 10 | 2 | 20.362 | 21/7:17.777 |
| 11 | 2 | 20.153 | 21/7:17.213 |
| 12 | 2 | 20.553 | 21/7:17.478 |
| 13 | 2 | 21.839 | 21/7:19.843 |
| 14 | 2 | 19.869 | 21/7:18.813 |
| 15 | 2 | 21.024 | 21/7:19.581 |
| 16 | 2 | 22.182 | 20/7:01.154 |
| 17 | 2 | 20.150 | 20/7:00.577 |
| 18 | 2 | 20.376 | 20/7:00.321 |
| 19 | 2 | 20.345 | 20/7:00.061 |
| 20 | 2 | 20.403 | 21/7:20.454 |
| 21 | 2 | 21.362 | 21/7:21.248 |