| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 23.440 | N/A |
| 2 | 1 | 19.937 | 21/7:02.018 |
| 3 | 1 | 19.959 | 21/7:02.004 |
| 4 | 1 | 19.704 | 21/7:00.773 |
| 5 | 1 | 20.603 | 21/7:04.455 |
| 6 | 1 | 21.007 | 21/7:08.028 |
| 7 | 1 | 20.267 | 21/7:08.363 |
| 8 | 1 | 20.784 | 21/7:09.009 |
| 9 | 1 | 20.316 | 21/7:09.882 |
| 10 | 1 | 21.821 | 21/7:13.213 |
| 11 | 1 | 20.551 | 21/7:13.338 |
| 12 | 1 | 20.046 | 21/7:12.521 |
| 13 | 1 | 20.137 | 21/7:11.993 |
| 14 | 1 | 20.365 | 21/7:11.896 |
| 15 | 1 | 20.518 | 21/7:12.032 |
| 16 | 1 | 20.348 | 21/7:11.924 |
| 17 | 1 | 20.933 | 21/7:12.056 |
| 18 | 1 | 20.052 | 21/7:12.084 |
| 19 | 1 | 22.004 | 21/7:13.831 |
| 20 | 1 | 20.732 | 21/7:14.054 |
| 21 | 1 | 21.612 | 21/7:15.136 |