Rubuta ci gaba don wannan sakin layi - Weißhaidinger ya karya rikodin harbi na Austrian na ƙasa da shekaru 23 a cikin 2012, yana jefa 19.22 m. Ya kasance dan wasan karshe a duka harbi da discus a gasar zakarun Turai ta U23 ta 2013
, amma ba a sanya shi a cikin manyan shida a cikin kowane taron ba. Weißhaidinger ya fara tsallake mita 60 tare da maza 2 kg discus a cikin 2014, yana jefa 60.02 m a watan Afrilu da 60.68 m a watan Mayu; shi ne dan Austriya na farko da bai kai shekara 23 ba wanda ya zarce mita 60, ya karya rikodin ƙasa na Gerhard Mayer na ƙasa da shekaru 23 daga 2001.