In the red corner: my newly arrived Finchley20 race number.
In the blue corner: a large bar of Dairy Milk.
I came home from work with the intention of changing and heading straight to the gym. That was half an hour ago and so far I've managed to 'indecide' myself into paralysis. Right, this isn't helping. I shall go to the gym in the morning and eat the chocolate tonight. Carb-loading. Excellent.