▁Grey h ound ▁Board ▁over see ▁proceed ings . ▁ ▁A ▁grey h ound ▁track ▁called ▁B ally ske agh ▁was ▁constructed ▁in ▁May ▁ 1 9 9 4 ▁and ▁became ▁B elf ast ' s ▁only ▁circuit ▁following ▁the ▁ 1 9 9 6 ▁closure ▁of ▁Dun more ▁Stadium . ▁Dist ances ▁covered ▁were ▁ 3 7 5 , ▁ 5 2 5 , ▁ 5 5 0 , ▁ 5 7 5 , ▁ 6 0 0 ▁& ▁ 8 8 0 ▁yards . ▁The ▁Irish ▁Grey h ound ▁Board ▁did ▁not ▁fund ▁the ▁track ▁and ▁this ▁was ▁a ▁major ▁factor ▁in ▁the ▁closure ▁of ▁the ▁stad ium ▁to ▁grey h ound ▁racing ▁on ▁ 2 4 ▁October ▁ 2 0 0 5 ▁after ▁struggling ▁for ▁many ▁years . ▁ ▁In ▁ 2 0 1 0 ▁the ▁track ▁re - open ed ▁with ▁the ▁new ▁name ▁of ▁Dr um bo ▁Park , ▁with ▁state ▁of ▁the ▁art ▁facilities . ▁A ▁ 3 5 0 - se at ▁grand stand ▁restaurant ▁took ▁centre ▁stage ▁under ▁a ▁new ▁era ▁and ▁racing ▁takes ▁place ▁every ▁Friday ▁and ▁Saturday . ▁The ▁first ▁Northern ▁Irish ▁Derby ▁was ▁held ▁at ▁the ▁track ▁from ▁ 2 0 1 1 ▁until ▁ 2 0 1 4 , ▁the ▁event ▁was ▁spons ored ▁by ▁B ett or . com ▁and ▁carried ▁a ▁£ 2 5 , 0 0 0 ▁prize , ▁the ▁rich est ▁ever ▁held ▁in ▁Northern ▁Ireland . ▁The ▁event ▁lost ▁some ▁status ▁two ▁years ▁later ▁after ▁the