| Name: | Geoff Duffell | |
| Gender: | M | |
| Natonality: | AUS | |
| Date | Event | Overall | M | Distance | Time |
|---|---|---|---|---|---|
| 2000 | 2000-03-19 | Maroondah Dam Trail Run (50km trail) | 11 | 9 | 50.000 km | 6:34:45 h |
| 2006 | 2006-04-22 | 6h Coburg Harriers Carnival (6h track) | 5 | 4 | 50.488 km | 6:00:00 h |
| 1999 | 1999-11-28 | Victorian 50km Championship (50km track) | 8 | 6 | 50.000 km | 5:19:26 h |
| 1999-11-28 | Victorian 6 Hour Track Championships (6h track) | 4 | 4 | 57.049 km | 6:00:00 h |
| 1993 | 1993-10-24 | 6 Hour Track Race Burwood - 50km Split (50km track) | 7 | 6 | 50.000 km | 4:28:05 h |
| 1993-10-24 | 6 Hour Track Race Burwood (6h track) | 6 | 6 | 65.936 km | 6:00:00 h |
| 2000 | 2000-03-19 | AURA Dam Trail (50.6km trail) | 11 | 9 | 50.600 km | 6:34:45 h |