the keen runner , who training for the london marathon later this month , was wearing a nathan speed 4 fuel belt , which also features a zip pocket perfect for storing high-carb energy gel .
the belt is available for $ 64.95 -lrb- £ 35 -rrb- at kintec , a canadian sports retailer based in vancouver , suggesting mr carney , originally from canada , bought it before he moved to the uk that he was also wearing headphones and top-of-the range running shoes .