[3] Jones was at the time the reigning Youth Olympic champion in the girls' 55 kg category, winning gold for Great Britain in 2010.

[11] 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.

[14] At the German Open held in Hamburg in March 2012 Jones won a silver medal losing to China's Yun Wang in the final.

[18] In the games Jones beat Chinese Taipei's top seed Tseng Li-Cheng in the semi-finals after having beaten Japan's Mayu Hamada in the quarter-finals and Serbia's Dragana Gladović in her first bout.

[20] Jones narrowly lost 10–9 to Iranian Kimia Alizadeh at the quarter-finals stage of the 2015 World Taekwondo Championships in Russia on 17 May 2015.

[citation needed] At the 2016 Olympic Games, Jones again won the gold medal, beating Spain's Eva Calvo, by 16–7 in the final.

In December 2023, Jones was provisionally suspended after failing to supply a urine sample when requested by the UK Anti-Doping Agency (UKAD).