▁Sh el ton ▁High ▁School ' s ▁High cl im ber ▁Stadium ▁in ▁Sh el ton , ▁Washington . ▁ ▁History ▁Cre ated ▁in ▁ 1 9 6 0 , ▁it ▁is ▁the ▁longest ▁running ▁track ▁inv it ational ▁in ▁Washington ▁State . ▁It ▁was ▁formed ▁when ▁the ▁Central ia ▁Rel ays ▁meet ▁( 1 9 3 0 s ▁to ▁ 1 9 5 0 s ) ▁ceased ▁to ▁exist , ▁leaving ▁the ▁Western ▁Washington ▁region ▁with ▁no ▁multi - team ▁meets . ▁Multi - team ▁meets ▁are ▁created ▁for ▁coach es ▁to ▁challenge ▁their ▁top ▁athlet es ▁with ▁other ▁top ▁athlet es ▁from ▁different ▁schools . ▁It ▁was ▁Aber de en ▁High ▁School ▁who ▁won ▁four ▁of ▁the ▁first ▁five ▁Sh el ton ▁Inv ites . ▁As ▁the ▁years ▁went ▁by , ▁the ▁inv ite ▁saw ▁up ▁to ▁over ▁ 3 0 ▁schools ▁signed ▁up ▁per ▁year . ▁Six teen ▁years ▁later , ▁Sh el ton ▁was ▁seeing ▁over ▁ 5 0 ▁schools ▁per ▁year . ▁By ▁the ▁ 1 9 8 0 s , ▁multi - team ▁meets ▁were ▁becoming ▁increasing ly ▁popular ▁and ▁started ▁taking ▁its ▁to ll ▁on ▁Sh el ton ' s ▁entry ▁list . ▁In ▁ 1 9 9 9 , ▁the ▁Sh el ton ▁Inv ite ▁organiz ers ▁began ▁an ▁effort ▁to ▁reg ain ▁the ▁meets ▁status ▁that ▁it ▁once ▁had . ▁The ▁" new " ▁Sh el ton ▁Inv ite ▁g athers ▁the ▁top ▁six teen ▁athlet es ▁in ▁Washington ▁State ▁high ▁schools ▁for ▁each