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The Duke of Cambridge was accompanied by Prince George, seven and Princess Charlotte, six, as the trio kick-started a half marathon in Norfolk. In an adorable moment, William could be seen bending down with a microphone held between his two children as they got the race underway.
Prince William was joined by George and Charlotte this afternoon in Sandringham
Prince William hold a microphone between George and Charlotte
The royals get the half marathon underway
The grinning young royals were later pictured waving on the competitors from the start line as the 13-mile run commenced.
Prince William, who celebrates his 39th birthday tomorrow, dressed casually in a pair of navy chinos and light-blue shirt with his two top buttons undone and sleeves rolled-up.
George and Charlotte braved the changeable weather conditions, with the young Prince wearing a check shirt, blue shorts and blue Nike trainers.
His sister wore a pale-pink Ralf Lauren jumper, blue shorts and bright-pink Nike running shoes.
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