A keen rugby player, I played at County-Level for 3 years, played in the National Final of the Counties Champsionships (U20) at Twickenham, Toured Hong-Kong and a fair part of the East coast of Australia (and most of the UK)
I am a qualified SCUBA diver (BSAC: Sports Diver II, PADI: Rescue Diver) and have travelled a bit to find some nice diving spots - I first qualified in an abandoned quarry in Wales which had been flooded (I don't recommend it...)
Beyond that, anything computer-related. Thanks to my degree, I have at least some knowledge of computing at every level - from .NET and high-level programming languages, down through the APIs to the Assembly/Machine code, into the code execution inside the processor, from there down to the boolean logic and "wiring", right down to the electron-flow inside semi-conducators.
Having said that, I prefer using them to building them.