| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 20.878 | 21/7:18.438 |
| 2 | 1 | 20.974 | 21/7:19.446 |
| 3 | 1 | 20.880 | 21/7:19.124 |
| 4 | 1 | 21.332 | 20/7:00.320 |
| 5 | 1 | 21.772 | 20/7:03.344 |
| 6 | 1 | 25.414 | 20/7:17.500 |
| 7 | 1 | 32.669 | 18/7:01.506 |
| 8 | 1 | 23.357 | 18/7:01.371 |
| 9 | 1 | 22.939 | 18/7:00.430 |
| 10 | 1 | 20.212 | 19/7:17.811 |
| 11 | 1 | 20.988 | 19/7:14.262 |
| 12 | 1 | 23.730 | 19/7:15.646 |
| 13 | 1 | 21.348 | 19/7:13.336 |
| 14 | 1 | 21.307 | 19/7:11.300 |
| 15 | 1 | 25.777 | 19/7:15.198 |
| 16 | 1 | 20.175 | 19/7:11.956 |
| 17 | 1 | 28.242 | 19/7:18.111 |
| 18 | 1 | 27.992 | 19/7:23.319 |
| 19 | 1 | 28.179 | 19/7:28.165 |