Reporting on the Olympics has inspired me to at least attempt to try and get fit every four-year cycle. In Sydney that resolve lasted only as long as one breathless run down George Street . At Athens, I gave up after being chased by one of the stray dogs roaming the city. But I returned from Beijing determined to show some self-discipline for a change and start a sensible training regime in the build-up to London 2012. This has resulted in being able to run marathons - albeit very slow ones - and a five stone weight loss from the time I hit the scales at a super heavyweight 18 st 10lb more suited to sumo wrestling than running with the torch. This incredible honour of carrying the flame and the motivation from the upcoming London heroics will hopefully keep me running towards Rio in 2016.