| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 25.823 | N/A |
| 2 | 2 | 22.827 | 21/8:02.363 |
| 3 | 2 | 22.524 | 22/8:22.008 |
| 4 | 2 | 22.310 | 22/8:19.045 |
| 5 | 2 | 23.051 | 22/8:22.061 |
| 6 | 1 | 23.367 | 21/8:02.139 |
| 7 | 1 | 23.071 | 21/8:02.989 |
| 8 | 1 | 22.983 | 21/8:03.345 |
| 9 | 1 | 22.777 | 21/8:03.098 |
| 10 | 1 | 23.303 | 21/8:04.074 |
| 11 | 1 | 23.579 | 21/8:05.407 |
| 12 | 1 | 23.220 | 21/8:05.844 |
| 13 | 1 | 24.666 | 21/8:08.619 |
| 14 | 1 | 22.857 | 21/8:08.184 |
| 15 | 2 | 26.830 | 21/8:13.487 |
| 16 | 2 | 22.399 | 21/8:12.175 |
| 17 | 2 | 22.639 | 21/8:11.326 |
| 18 | 2 | 22.228 | 21/8:10.094 |
| 19 | 2 | 26.779 | 21/8:14.056 |
| 20 | 2 | 24.357 | 21/8:15.051 |
| 21 | 2 | 22.478 | 21/8:14.068 |