In 2013, at the age of 22, Bryant was the best decathlete in the United Kingdom. He was ranked in the top ten for under-23s in the long jump and several other single events, and the top 20 among senior athletes. At the 2013 European Athletics U23 Championships, he came fourth and achieved his personal best of 8070 points. It was the first time in the history of these Championships that 8000 points did not place in the top three.