| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 18.846 | N/A |
| 2 | 1 | 17.509 | 21/6:09.026 |
| 3 | 1 | 16.400 | 22/6:14.890 |
| 4 | 1 | 19.088 | 21/6:12.159 |
| 5 | 1 | 16.244 | 21/6:05.051 |
| 6 | 1 | 17.548 | 21/6:06.002 |
| 7 | 1 | 15.977 | 21/6:01.399 |
| 8 | 1 | 16.386 | 22/6:16.302 |
| 9 | 1 | 17.880 | 21/6:01.426 |
| 10 | 1 | 16.005 | 22/6:15.932 |
| 11 | 1 | 19.157 | 21/6:03.234 |
| 12 | 2 | 18.365 | 21/6:05.316 |
| 13 | 2 | 16.079 | 21/6:03.242 |
| 14 | 2 | 15.424 | 21/6:00.479 |
| 15 | 2 | 16.412 | 22/6:16.557 |
| 16 | 2 | 18.664 | 21/6:01.696 |
| 17 | 2 | 15.733 | 22/6:16.989 |
| 18 | 2 | 19.343 | 21/6:02.627 |
| 19 | 1 | 15.716 | 21/6:00.990 |
| 20 | 1 | 17.110 | 21/6:00.993 |
| 21 | 1 | 18.213 | 21/6:02.099 |