| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 19.431 | 25/8:05.775 |
| 2 | 2 | 18.181 | 26/8:08.956 |
| 3 | 2 | 19.035 | 26/8:10.940 |
| 4 | 2 | 17.826 | 26/8:04.074 |
| 5 | 1 | 19.740 | 26/8:09.907 |
| 6 | 2 | 21.209 | 25/8:00.925 |
| 7 | 2 | 17.968 | 26/8:15.448 |
| 8 | 2 | 20.583 | 25/8:01.165 |
| 9 | 2 | 21.268 | 25/8:06.780 |
| 10 | 2 | 25.953 | 24/8:02.865 |
| 11 | 2 | 18.302 | 25/8:18.854 |
| 12 | 2 | 18.180 | 25/8:15.158 |
| 13 | 2 | 19.128 | 25/8:13.853 |
| 14 | 2 | 21.130 | 25/8:16.310 |
| 15 | 2 | 22.139 | 24/8:00.116 |
| 16 | 2 | 18.083 | 25/8:17.118 |
| 17 | 2 | 17.835 | 25/8:14.104 |
| 18 | 2 | 18.462 | 25/8:12.295 |
| 19 | 2 | 19.474 | 25/8:12.009 |
| 20 | 5 | 2:08.352 | 20/8:22.279 |