| Name: | Robert Williamson | |
| Gender: | M | |
| Natonality: | AUS | |
| Date | Event | Overall | M | Distance | Time |
|---|---|---|---|---|---|
| 1995 | 1995-02-04 | Cradle Mountain Run (82km trail) | 24 | 21 | 82.000 km | 12:59:00 h |
| 1995-03-04 | Six Foot Track (46.6km trail) | 126 | 121 | 46.600 km | 5:25:50 h |
| 1994 | 1994-02-05 | Cradle Mountain Run (82km trail) | 21 | 20 | 82.000 km | 13:02:00 h |
| 1994-03-05 | Six Foot Track (46.6km trail) | 162 | 153 | 46.600 km | 5:57:04 h |
| 1993 | 1993-03-06 | Six Foot Track (46.6km trail) | 124 | 114 | 46.600 km | 5:44:12 h |
| 1993-10-23 | Royal National Park Ultra Marathon (50km trail) | 35 | 34 | 50.000 km | 5:59:15 h |
| 1992 | 1992-03-21 | Six Foot Track (46.6km trail) | 207 | 196 | 46.600 km | 6:08:18 h |
| 1991 | 1991-03-16 | Six Foot Track (46.6km trail) | 154 | 147 | 46.600 km | 5:38:05 h |