| Code | WAP-M-002148 | 
|---|---|
| Gender | Male | 
| Full name | Geoffrey David "Geoff"•Clark | 
| Used name | Geoff•Clark | 
| Born | 8 February 1969 | 
| Sport | Competition | Host City | Country | Event | Placement | Country | |
|---|---|---|---|---|---|---|---|
| Water Polo | 1988 Olympic Qualification Tournaments for Water Polo | Perth | Water Polo, Men | 2 | |||
| Water Polo | 1991 World Aquatics Championships | Perth | Water Polo, Men | 8 | |||
| Water Polo | 1998 World Aquatics Championships | Perth | Water Polo, Men | 4 |