▁This ▁primarily ▁English ▁r iding ▁competition ▁focus es ▁on ▁the ▁h unt ▁seat ▁and ▁Olympic - style ▁discipl ines ▁of ▁dress age , ▁show ▁h unter , ▁show ▁jump ing , ▁and ▁compet itive ▁driving . ▁ ▁There ▁are ▁also ▁Equ itation ▁classes , ▁in - hand ▁bre eding ▁classes ▁and ▁" flat " ▁or ▁pleasure ▁classes . ▁It ▁is ▁currently ▁the ▁fast est - g row ing ▁of ▁the ▁national ▁level ▁shows ▁for ▁Arab ian ▁horses . ▁ ▁At ▁the ▁National ▁level , ▁pla c ings ▁are ▁decided ▁by ▁pan els ▁of ▁three ▁jud ges ▁who ▁each ▁write ▁their ▁own ▁pla c ings ▁separately , ▁with ▁final ▁numbers ▁calculated ▁by ▁computer , ▁combining ▁the ▁results ▁of ▁all ▁three ▁jud ges ' ▁" cards ". ▁ ▁Dist ance ▁r iding ▁The ▁A HA ▁has ▁promoted ▁end urance ▁r iding ▁and ▁spons ors ▁a ▁National ▁Dist ance ▁Championship . ▁ ▁They ▁also ▁offer ▁two ▁Tra il ▁R ide ▁V ac ations ▁each ▁year , ▁one ▁at ▁Fort ▁Robinson ▁State ▁Park , ▁in ▁C raw ford , ▁Neb r aska , ▁and ▁another ▁at ▁the ▁V 6 ▁R anch ▁in ▁Park field , ▁California . ▁ ▁Reg istry ▁Both ▁the ▁pure bre d ▁and ▁half - A rab ian / Ang lo - A rab ian ▁reg ist ries ▁are ▁hous ed ▁within ▁A HA . ▁ ▁For ▁a ▁time , ▁the ▁A H RA ▁had ▁been ▁em bro iled ▁in ▁a ▁controvers y ▁that ▁had ▁resulted ▁in ▁the ▁creation ▁an ▁independent ▁registry ▁for ▁the