In April 2016, Horáček announced his possible candidacy in the
2018 Czech presidential election. Horáček announced his candidacy on 7 October 2016. He officially launched his campaign on 3 November 2016. He said that he wanted his campaign to be based on respect for all people and their opinions. Horáček announced his advisers on 9 February 2017, including former Slovak presidential candidate
Magdaléna Vášáryová, nuclear energy safety expert
Dana Drábová, and surgeon Pavel Pafko. On 16 April 2017, Horáček started gathering the 50,000 signatures required for participation in the election. On 6 May he reported that he had gathered the required number of signatures. Horáček finished fourth of the nine candidates, with 9.18% of the vote. Horáček then endorsed
Jiří Drahoš for the second round. Radim Procházka and Robin Kvapil released a documentary film in 2018 about Horaček's run for presidency, entitled
We Can Do Better. ==Political views==