<prompt> Nyora kupfuurira kweiyi ndima - Katona akaberekerwa muEger, Heves, Hungary. Pazera remakore gumi nemanomwe, Katona akamiririra nyika yake pa1958 European Aquatics Championships iyo yakaitirwa muBudapest, Hungary. Mumamita 1500 akauya wechipiri shure Ian Black kuhwina menduru yesirivha, uye akahwinawo menduru yebronze yechikwata mumamita 4 x 200 freestyle relay. Makore mana gare gare muLeipzig pa 1962 European Aquatics Championships  <response>: , Katona akadzoka kumusha aine menduru yegoridhe mumakwikwi emamita 1500 akasununguka. Mumitambo yeOlympic yeZhizha ya1960 muRome, Katona akasvika kumagumo emamita 1500 akasununguka kwaakapedza ari pachinzvimbo chechishanu, asi mumamita mazana mana akasununguka uye 4 × 200 metres akasununguka relay akakundikana kukwikwidza kubva kumativi ekutanga. Makore mana gare gare kumaOlympics ezhizha ra1964 zvaive zvakafanana, akakundikana kusvika kumagumo mumamita mazana mana akasununguka kana 4 × 200 metres freestyle relay, asi mumamita 1500 akasununguka akakwanisa kupedza wechisere mumagumo. 