| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 23.742 | N/A |
| 2 | 2 | 20.036 | 21/7:04.462 |
| 3 | 2 | 20.967 | 21/7:13.772 |
| 4 | 2 | 20.981 | 21/7:16.968 |
| 5 | 1 | 20.386 | 21/7:15.592 |
| 6 | 1 | 21.864 | 21/7:20.678 |
| 7 | 1 | 21.916 | 20/7:03.217 |
| 8 | 1 | 20.765 | 20/7:02.511 |
| 9 | 1 | 20.441 | 20/7:01.212 |
| 10 | 1 | 20.301 | 21/7:20.757 |
| 11 | 1 | 20.064 | 21/7:19.184 |
| 12 | 1 | 20.135 | 21/7:18.025 |
| 13 | 1 | 21.610 | 21/7:19.518 |
| 14 | 1 | 20.511 | 21/7:19.091 |
| 15 | 1 | 21.035 | 21/7:19.473 |
| 16 | 1 | 20.392 | 21/7:18.947 |
| 17 | 1 | 19.966 | 21/7:17.954 |
| 18 | 1 | 20.329 | 21/7:17.505 |
| 19 | 1 | 21.227 | 21/7:18.104 |
| 20 | 1 | 20.464 | 21/7:17.836 |
| 21 | 1 | 20.592 | 21/7:17.724 |