PKLbc · CZE
Jakub is a swimmer from Czechia, an individual medley specialist and an international traveller on the circuit, whose official competitive record spans 9 seasons, 17 countries and 52 meets.
His recorded career begins in 2018, where he raced the 1500 butterfly in 16:52.48.
His signature event is the 200 individual medley, his reference distance in individual medley, ahead of the 400 individual medley and 100 individual medley. Individual medley is the backbone of the whole record: 46 meets and 86 recorded swims.
His fastest 200 individual medley stands at 1:57.72, set in long course (50 m) at Czech Swimming Arena Cup Plzenske Sprinty 2022.
His record includes continental championships, in 2025 (2025 European Aquatics Championships (25m)). A representative mark at that level is 1:54.79 in the 200 individual medley, recorded in short course (25 m). He also appears in national championships.
The record runs unbroken from 2018 to 2026: 9 consecutive seasons without a single missing year.
He is a genuinely international swimmer: the official record spans 17 countries (Czechia, Slovakia, Italy, Austria, the United Kingdom, Hungary, Singapore, Australia, Belgium, Spain, France, Germany, Ireland, the Netherlands, Norway, Poland and Serbia), including 27 of 52 meets outside Czechia.
Those meets span 13 different venues (Cze, Svk, Aut and Gbr…).
Still active: the directory includes official activity in the 2026 season. Latest competition: 2026 Czech National Championships (50m), on June 26, 2026. He holds 32 current event personal bests and 84 all-time PB improvements across 187 verified official swims in competitions governed by World Aquatics and European Aquatics.