Nyorai mberi kweiyi ndima - Kubva kuBasel kwaanodzidziswa naAlan Wisslé, akadzidza manejimendi manejimendi paYunivhesiti yeSt. Gallen. Lang akawana ruzivo rwake rwekutanga rwenyika dzakawanda pa2013 European Youth Summer Olympic Festival (EYOF) muUtrecht kwaakapedza ari pachinzvimbo chechinomwe nekusvetuka 1.72m. Gore rakatevera akakwikwidza mu2014 Summer Youth Olympics kwaakawana nzvimbo yechishanu ne1.73m kusvetuka. Akatora chikamu mu2015 European Athletics Junior Championships muEskilstuna uye akapedza 7th nekusvetuka kwe1.79m. Akapedzawo wechinomwe pa2016 IAAF World U20 Championships muBygdoszcz nehurefu hwe1.83m. Akauya wechina pa2017 European Athletics U23 Championships
zvakare muBydgoszcz nekusvetuka kwe1.86m. Muna 2020 akaisa rekodhi nyowani yeSwitzerland yemukati ne1.94 m muSt. Gallen iyo yakamuisa pamwe chete 8th pasirese kwegore. Lang akahwina mazita akawanda emunyika; muna 2014, 2015, 2017, 2019 uye 2020, Lang aive shasha yeSwitzerland pakusvetuka pakakwirira panze, uye muna 2016 uye kubva 2019, 2020, uye 2021 zvakare mumba.