Whakakiia te rerenga e whai ake nei: I te Mahuru 2011, i whakamatautauria a Horakova mo te clenbuterol i te wa e uru ana ki te pahikara pahikara maunga e wha i nga Toa o te Ao. I te 28 o Pipiri 2012, i whakatauhia e te Union Cycliste Internationale kia whakahaua a Horakova kia whakakorehia mo te rua tau mai i te
UCI World Championships, me te mea nui ake, mai i nga Taakaro Orimipia i Rānana, ahakoa i karangahia e te Czech Cycling Union i mua ake o taua tau.