| 0. 0 | 0. 0 | ||
| 0. 0 | 0. 0 | ||
| 1:15.41 | 2:36.04 | (1:20.63) | |
| 3:56.62 | (1:20.58) | 5:17.89 | (1:21.27) |
| 6:39.15 | (1:21.26) | 8:00.60 | (1:21.45) |
| 9:21.69 | (1:21.09) | 10:42.20 | (1:20.51) |
| 12:02.55 | (1:20.35) | 13:23.99 | (1:21.44) |
| 14:45.39 | (1:21.40) | 16:06.40 | (1:21.01) |
| 17:27.23 | (1:20.83) | 18:47.73 | (1:20.50) |
| 20:03.39 | (1:15.66) |