| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 2.525 | N/A |
| 2 | 3 | 20.860 | 19/6:18.005 |
| 3 | 3 | 21.306 | 18/6:00.936 |
| 4 | 3 | 21.255 | 18/6:01.910 |
| 5 | 3 | 21.176 | 18/6:02.062 |
| 6 | 4 | 21.097 | 18/6:01.884 |
| 7 | 4 | 21.158 | 18/6:01.939 |
| 8 | 4 | 21.786 | 18/6:03.503 |
| 9 | 4 | 21.049 | 18/6:03.109 |
| 10 | 4 | 21.175 | 18/6:03.042 |
| 11 | 4 | 21.215 | 18/6:03.055 |
| 12 | 4 | 20.945 | 18/6:02.649 |
| 13 | 4 | 20.752 | 18/6:02.038 |
| 14 | 4 | 22.009 | 18/6:03.164 |
| 15 | 4 | 20.985 | 18/6:02.886 |
| 16 | 4 | 22.343 | 18/6:04.184 |
| 17 | 4 | 21.280 | 18/6:04.190 |
| 18 | 4 | 22.443 | 18/6:05.359 |