▁American ▁record . ▁She ▁finished ▁t enth ▁at ▁the ▁ 2 0 0 8 ▁Summer ▁Olympics ▁with ▁a ▁v ault ▁of ▁ 4 . 5 0   m , ▁unable ▁to ▁scale ▁the ▁height s ▁that ▁she ▁had ▁in ▁June . ▁During ▁the ▁competition , ▁the ▁organization ▁lost ▁one ▁of ▁Mur er ' s ▁pol es , ▁causing ▁her ▁to ▁under perform ▁as ▁she ▁spent ▁over ▁ 1 0 ▁minutes ▁trying ▁to ▁get ▁the ▁pole ▁back . ▁ ▁She ▁improved ▁her ▁out door ▁record ▁to ▁ 4 . 8 2   m ▁in ▁June ▁ 2 0 0 9 ▁at ▁the ▁Tro f é u ▁Brasil ▁Ca ixa ▁de ▁At let ismo ▁meet . ▁She ▁made ▁the ▁jump ▁en ▁route ▁to ▁winning ▁her ▁fifth ▁Brazil ian ▁champion ships ▁in ▁the ▁event , ▁breaking ▁the ▁area ▁record ▁for ▁the ▁ele vent h ▁time ▁and ▁placing ▁joint ▁sixth ▁in ▁the ▁all - time ▁lists . ▁She ▁competed ▁at ▁the ▁ 2 0 0 9 ▁World ▁Championships ▁in ▁Athletics ▁in ▁Berlin ▁but ▁she ▁failed ▁to ▁match ▁her ▁early ▁season ▁form , ▁finishing ▁with ▁a ▁best ▁clear ance ▁of ▁ 4 . 5 5   m . ▁She ▁improved ▁to ▁ 4 . 6 0   m ▁at ▁the ▁ 2 0 0 9 ▁I A AF ▁World ▁Athletics ▁Final , ▁winning ▁the ▁silver ▁medal . ▁ ▁At ▁the ▁ 2 0 1 0 ▁I A AF ▁World ▁Ind oor ▁Championships , ▁Mur er ▁took ▁advantage ▁of ▁Y el ena ▁Is in b aye va ' s