▁Tra ke hner ▁bre ed ▁of ▁horse , ▁was ▁established ▁on ▁the ▁land ▁in ▁ 1 7 3 2 . ▁The ▁large ▁d rain age ▁d itch es , ▁with ▁fen cel ines ▁in ▁the ▁bottom ▁of ▁them , ▁were ▁later ▁used ▁as ▁a ▁test ▁for ▁the ▁ 3 - year - olds ▁for ▁suit ability ▁for ▁bre eding ▁and ▁war ▁mount s . ▁Due ▁to ▁the ▁build ▁of ▁the ▁f ence , ▁the ▁take - off ▁spot ▁for ▁the ▁horse ▁was ▁on ▁the ▁down side ▁of ▁the ▁d itch , ▁and ▁the ▁landing ▁was ▁on ▁the ▁ups ide . ▁However , ▁the ▁old - style ▁tra ke hner ▁jump ▁is ▁not ▁seen ▁today , ▁mainly ▁because ▁the ▁landing ▁was ▁on ▁an ▁u ph ill ▁grade , ▁was ▁very ▁pun ishing ▁to ▁the ▁horses , ▁even ▁when ▁the ▁horse ▁took ▁off ▁well . ▁The ▁d itch ▁is ▁now ▁rev ett ed ▁and ▁the ▁f ence ▁does ▁not ▁have ▁an ▁u ph ill ▁landing . ▁ ▁In ▁ 1 9 7 3 , ▁Rach ael ▁Bay l iss ▁and ▁her ▁horse , ▁G urg le ▁the ▁Greek , ▁" cle ared " ▁a ▁tra ke hner ▁at ▁the ▁Bad m inton ▁Hor se ▁Tri als ▁by ▁going ▁under ▁it . ▁The ▁rules ▁were ▁changed ▁after ▁this ▁incident , ▁requiring ▁the ▁horse ▁not ▁only ▁to ▁go ▁between ▁the ▁flags ▁but ▁also ▁to ▁pass ▁over ▁the ▁log . ▁ ▁Water ▁ ▁These ▁f ences ▁range ▁in ▁difficulty ▁from ▁simple ▁water ▁cross ings ▁at ▁lower ▁levels ▁to