| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 20.588 | 21/7:12.348 |
| 2 | 1 | 20.967 | 21/7:16.327 |
| 3 | 1 | 20.106 | 21/7:11.627 |
| 4 | 1 | 22.430 | 20/7:00.455 |
| 5 | 1 | 20.390 | 21/7:18.820 |
| 6 | 1 | 20.016 | 21/7:15.740 |
| 7 | 1 | 20.461 | 21/7:14.874 |
| 8 | 1 | 20.907 | 21/7:15.396 |
| 9 | 1 | 20.193 | 21/7:14.135 |
| 10 | 1 | 20.566 | 21/7:13.910 |
| 11 | 1 | 21.376 | 21/7:15.273 |
| 12 | 1 | 21.262 | 21/7:16.209 |
| 13 | 1 | 21.007 | 21/7:16.588 |
| 14 | 1 | 20.862 | 21/7:16.697 |
| 15 | 1 | 20.884 | 21/7:16.821 |
| 16 | 1 | 22.100 | 21/7:18.526 |
| 17 | 1 | 20.792 | 21/7:18.415 |
| 18 | 1 | 23.806 | 20/7:00.792 |
| 19 | 1 | 21.095 | 20/7:00.851 |
| 20 | 1 | 25.370 | 20/7:05.178 |