Whakaotihia te rerenga e whai ake nei: I te timatanga o te taumaha bantamweight (i raro i te 63 kg), i heke iho a Lee i te taumaha o te taumaha (i raro i te 58 kg) i muri i te
Ko te 2011 World Championships hei whakataetae i te 2012 Olympics, e wha noa nga waahanga taumaha. I tiimata a Lee i tana whakataetae flyweight a-ao i te 2011 World Taekwondo Olympic Qualification Tournament i Baku, Azerbaijan i te wa i hinga ai ia i tana whakataetae tuatahi ki te toa hiriwa 2008 Olympic Gabriel Mercedes 14<unk>12 i nga whiringa toa. I te Haratua 2012, heoi, i mau ia i tana mētara koura tuatahi i te 2012 Asian Taekwondo Championships, i te whiu i te toa toa o Ahia Pen-Ek Karaket 8<unk>4 i te whakataetae whakamutunga. I nga Taakaro Orimipia o te Raumati 2016, i wini a Lee i te mētara parahi, i whiua a Jaouad Achab mai i Belgium 11<unk>7. I te 2016 WTF World Taekwondo Grand-Prix, i wikitoria a Lee i te koura ki a Konstantin Minin.