| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 25.569 | N/A |
| 2 | 3 | 20.425 | 21/7:14.069 |
| 3 | 3 | 20.144 | 21/7:11.259 |
| 4 | 3 | 21.003 | 21/7:16.049 |
| 5 | 3 | 20.825 | 21/7:17.554 |
| 6 | 2 | 21.100 | 21/7:19.557 |
| 7 | 2 | 20.548 | 21/7:19.052 |
| 8 | 2 | 20.636 | 21/7:18.943 |
| 9 | 2 | 20.371 | 21/7:18.199 |
| 10 | 2 | 20.492 | 21/7:17.889 |
| 11 | 2 | 20.511 | 21/7:17.679 |
| 12 | 2 | 20.936 | 21/7:18.279 |
| 13 | 2 | 20.992 | 21/7:18.874 |
| 14 | 2 | 22.280 | 20/7:00.568 |
| 15 | 2 | 20.456 | 20/7:00.116 |
| 16 | 2 | 22.033 | 20/7:01.721 |
| 17 | 2 | 20.913 | 20/7:01.796 |
| 18 | 2 | 22.079 | 20/7:03.165 |
| 19 | 2 | 22.730 | 20/7:05.069 |
| 20 | 3 | 22.636 | 20/7:06.679 |