| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 23.935 | N/A |
| 2 | 1 | 20.870 | 23/8:03.075 |
| 3 | 2 | 25.267 | 21/8:05.305 |
| 4 | 2 | 23.026 | 21/8:05.021 |
| 5 | 3 | 23.321 | 21/8:06.355 |
| 6 | 2 | 21.403 | 22/8:22.260 |
| 7 | 3 | 24.215 | 21/8:04.275 |
| 8 | 2 | 20.606 | 22/8:20.059 |
| 9 | 3 | 25.849 | 21/8:05.327 |
| 10 | 3 | 22.072 | 21/8:03.110 |
| 11 | 3 | 21.615 | 21/8:00.423 |
| 12 | 3 | 27.424 | 21/8:08.785 |
| 13 | 3 | 30.733 | 21/8:21.027 |
| 14 | 3 | 22.986 | 21/8:19.915 |
| 15 | 3 | 20.776 | 21/8:15.596 |
| 16 | 2 | 22.424 | 21/8:14.051 |
| 17 | 3 | 26.614 | 21/8:17.936 |
| 18 | 3 | 21.477 | 21/8:15.320 |
| 19 | 2 | 21.441 | 21/8:12.956 |
| 20 | 4 | 37.891 | 20/8:03.945 |