| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 17.507 | 21/6:07.647 |
| 2 | 1 | 16.688 | 22/6:16.145 |
| 3 | 1 | 18.074 | 21/6:05.883 |
| 4 | 2 | 17.670 | 21/6:07.180 |
| 5 | 2 | 17.199 | 21/6:05.980 |
| 6 | 2 | 18.935 | 21/6:11.255 |
| 7 | 2 | 21.760 | 20/6:05.237 |
| 8 | 2 | 17.801 | 20/6:04.085 |
| 9 | 2 | 21.583 | 20/6:11.593 |
| 10 | 2 | 18.771 | 20/6:11.976 |
| 11 | 3 | 23.098 | 19/6:01.149 |
| 12 | 3 | 22.090 | 19/6:06.029 |
| 13 | 3 | 19.940 | 19/6:07.016 |
| 14 | 3 | 18.908 | 19/6:06.461 |
| 15 | 3 | 17.479 | 19/6:04.170 |
| 16 | 3 | 17.354 | 19/6:02.018 |
| 17 | 3 | 17.160 | 20/6:18.844 |
| 18 | 3 | 17.720 | 20/6:17.486 |
| 19 | 3 | 17.712 | 20/6:16.262 |
| 20 | 3 | 17.507 | 20/6:14.956 |