Jones won her first senior title at the US Open in Austin, Texas in February 2011. She won gold in the −62 kg division having won bronze in the −57 kg competition the previous day. At the 2011 World Taekwondo Championships in Gyeongju, South Korea Jones advanced to the final of the 57 kg event after beating Marlène Harnois of France in the semi-finals. She won the silver medal after losing to China's Hou Yuzhuo in a sudden-death round. In October 2011 Jones won a gold medal at the British Open in Manchester by defeating Harnois 10–8 in the final. At the French Open she won a bronze medal after losing to Harnois in the semi-finals.