| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 26.712 | N/A |
| 2 | 4 | 23.088 | 21/8:08.472 |
| 3 | 6 | 29.283 | 19/8:18.051 |
| 4 | 7 | 26.711 | 19/8:21.204 |
| 5 | 6 | 22.223 | 19/8:02.584 |
| 6 | 7 | 23.572 | 20/8:21.244 |
| 7 | 7 | 23.295 | 20/8:15.923 |
| 8 | 7 | 21.939 | 20/8:08.441 |
| 9 | 6 | 22.932 | 20/8:05.189 |
| 10 | 4 | 23.327 | 20/8:03.493 |
| 11 | 4 | 22.402 | 20/8:00.378 |
| 12 | 4 | 24.209 | 20/8:00.951 |
| 13 | 4 | 22.372 | 21/8:22.300 |
| 14 | 4 | 21.631 | 21/8:18.995 |
| 15 | 4 | 22.233 | 21/8:17.022 |
| 16 | 4 | 22.041 | 21/8:15.056 |
| 17 | 4 | 22.153 | 21/8:13.475 |
| 18 | 4 | 22.211 | 21/8:12.149 |
| 19 | 4 | 22.094 | 21/8:10.840 |
| 20 | 4 | 22.744 | 21/8:10.354 |
| 21 | 4 | 22.032 | 21/8:09.204 |