| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 31.620 | N/A |
| 2 | 3 | 23.599 | 20/8:00.001 |
| 3 | 3 | 23.958 | 20/8:03.411 |
| 4 | 3 | 22.404 | 21/8:18.026 |
| 5 | 3 | 22.506 | 21/8:13.955 |
| 6 | 3 | 23.432 | 21/8:15.216 |
| 7 | 3 | 22.183 | 21/8:11.893 |
| 8 | 3 | 23.499 | 21/8:13.028 |
| 9 | 3 | 23.129 | 21/8:13.395 |
| 10 | 3 | 27.936 | 20/8:00.539 |
| 11 | 3 | 22.568 | 21/8:22.048 |
| 12 | 3 | 23.699 | 21/8:22.370 |
| 13 | 3 | 24.091 | 21/8:23.293 |
| 14 | 3 | 23.232 | 21/8:22.752 |
| 15 | 3 | 22.789 | 21/8:21.655 |
| 16 | 3 | 25.096 | 20/8:00.173 |
| 17 | 3 | 25.699 | 20/8:02.656 |
| 18 | 3 | 24.006 | 20/8:02.954 |
| 19 | 3 | 22.755 | 20/8:01.899 |
| 20 | 2 | 23.817 | 20/8:02.018 |