| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 25.285 | N/A |
| 2 | 2 | 20.070 | 21/7:06.685 |
| 3 | 1 | 20.979 | 21/7:15.775 |
| 4 | 1 | 20.459 | 21/7:15.338 |
| 5 | 1 | 19.546 | 21/7:10.555 |
| 6 | 1 | 19.960 | 21/7:09.341 |
| 7 | 1 | 25.387 | 20/7:05.554 |
| 8 | 1 | 19.580 | 20/7:01.519 |
| 9 | 1 | 19.696 | 21/7:19.477 |
| 10 | 1 | 20.348 | 21/7:18.673 |
| 11 | 1 | 24.494 | 20/7:05.271 |
| 12 | 1 | 20.273 | 20/7:03.925 |
| 13 | 1 | 19.209 | 20/7:01.119 |
| 14 | 1 | 20.899 | 20/7:01.215 |
| 15 | 3 | 39.755 | 19/7:04.698 |
| 16 | 3 | 19.122 | 19/7:01.017 |
| 17 | 1 | 15.371 | 20/7:15.148 |
| 18 | 3 | 26.310 | 20/7:20.443 |
| 19 | 3 | 25.900 | 19/7:02.643 |
| 20 | 1 | 2.401 | 20/7:05.044 |