ve led ▁to ▁Don c aster ▁in ▁mid ▁September ▁and ▁won ▁the ▁Don c aster ▁Cup ▁" in ▁a ▁can ter " ▁from ▁King ston , ▁the ▁only ▁horse ▁to ▁opp ose ▁her . ▁In ▁all , ▁Vi rag o ▁won ▁ten ▁of ▁her ▁eleven ▁starts ▁in ▁ 1 8 5 4 , ▁took ▁£ 9 , 7 5 0 ▁in ▁prize ▁money , ▁and ▁earned ▁her ▁owner ▁a ▁further ▁£ 8 0 , 0 0 0 ▁in ▁winning ▁bet s . ▁▁ 1 8 5 5 : ▁four - year - old ▁season ▁Vi rag o ▁developed ▁resp ir atory ▁problems ▁towards ▁the ▁end ▁of ▁her ▁three - year - old ▁season . ▁These ▁problems ▁became ▁more ▁serious ▁in ▁ 1 8 5 5 ▁and ▁Vi rag o ▁failed ▁to ▁reproduce ▁her ▁best ▁form . ▁She ▁won ▁the ▁Port ▁St akes ▁at ▁New market ▁in ▁spring , ▁but ▁her ▁performances ▁d eter ior ated ▁there after . ▁At ▁As cot ▁she ▁was ▁be aten ▁in ▁the ▁Royal ▁H unt ▁Cup ▁and ▁finished ▁third ▁to ▁F and ango ▁in ▁the ▁As cot ▁Gold ▁Cup . ▁She ▁was ▁retired ▁after ▁running ▁un pla ced ▁in ▁the ▁Cra ven ▁St akes ▁at ▁Good wood ▁and ▁was ▁sold ▁to ▁Lord ▁Str ad bro ke ▁for ▁£ 5 0 0 . ▁ ▁Ass ess ment ▁In ▁May ▁ 1 8 8 6 ▁The ▁Sport ing ▁Times ▁carried ▁out ▁a ▁poll ▁of ▁one ▁hundred ▁racing ▁exper ts ▁to ▁create ▁a ▁ranking ▁of ▁the ▁best ▁British ▁race h ors