 Nyorai kupfuurira kweiyi ndima - Kupinda mumwaka wokunze wa1987, Sedláková akakunda zita rake rokutanga rokunze paCzech Athletics Championships. Nguva yake yekukunda ye2: 00.42 maminetsi yaive imwe nyowani uye yechitatu inokurumidza nguva yekukunda pamakwikwi chete Jozefína Čerchlanová naJarmila Kratochvílová ndivo vakamhanyisa. Vhiki imwe pamberi pe 1987 World Championships in Athleticsakazvisimudzira somunhu angangokwikwidza nomumwe akanakisisa pamusangano weInternationales Stadionfest muWest Berlin, achimhanya 1:58.37 maminitsi. Izvi zvakaratidza kuva zvakanakisisa muupenyu hwake uye pakupedzisira akaiswa pachinzvimbo chake chechishanu munyika yose panguva iyoyo gore. Mumakwikwi eRoma akapotsa asvika kumagumo, achiva wechina mumasemi-fainari. 