▁World ▁ 6 0 0 ▁is ▁held ▁on ▁Sunday ▁May ▁ 2 5 , ▁and ▁the ▁Ind y ▁ 5 0 0 ▁is ▁held ▁Friday ▁May ▁ 3 0 . ▁NAS C AR ▁driver ▁Lee ▁Roy ▁Y ar br ough ▁won ▁the ▁race ▁at ▁Charlotte , ▁and ▁at ▁Ind y , ▁he ▁finished ▁ 2 3 rd . ▁Charlie ▁G lot z bach , ▁a ▁NAS C AR ▁regular , ▁entered ▁at ▁Ind y , ▁but ▁failed ▁to ▁qual ify . ▁▁ 1 9 7 0 ▁The ▁World ▁ 6 0 0 ▁is ▁held ▁on ▁Sunday ▁May ▁ 2 4 , ▁and ▁the ▁Ind y ▁ 5 0 0 ▁is ▁held ▁Saturday ▁May ▁ 3 0 . ▁NAS C AR ▁driver ▁Don nie ▁All ison ▁won ▁the ▁race ▁at ▁Charlotte , ▁and ▁finished ▁ 4 th ▁at ▁Ind y . ▁To ▁date , ▁it ▁is ▁the ▁best ▁combined ▁performance ▁for ▁both ▁races . ▁Lee ▁Roy ▁Y ar br ough ▁also ▁competed ▁in ▁both ▁events . ▁He ▁finished ▁ 2 9 th ▁at ▁Charlotte ▁and ▁ 1 9 th ▁at ▁Ind y . ▁ ▁The ▁day ▁after ▁Ind y ▁( S und ay ▁May ▁ 3 1 ), ▁Y ar br ough ▁fle w ▁to ▁Mart ins ville ▁to ▁race ▁in ▁the ▁Virginia ▁ 5 0 0 . ▁He ▁dropped ▁out ▁and ▁finished ▁ 2 6 th . ▁For ▁the ▁second ▁year ▁in ▁a ▁row , ▁Charlie ▁G lot z bach ▁( who ▁finished ▁ 2 5 th ▁at ▁Charlotte ) ▁entered , ▁but