SlPl · CZE
Jakub is a swimmer from Czechia, a butterfly specialist, whose official competitive record spans 7 seasons, 12 years and 12 meets.
His recorded career begins in 2015 in Plzeň, where he raced the 400 individual medley in 5:41.00.
His signature event is the 1500 butterfly, his reference distance in butterfly, ahead of the 50 butterfly and 200 butterfly. Butterfly is the backbone of the whole record: 10 recorded swims.
His fastest 1500 butterfly stands at 18:40.94, set in long course (50 m) at Ústí nad Labem.
After a 6-year break between 2017 and 2023, he came back to racing and the record picks up again in 2023.
Those meets span 6 different venues (Plzeň, Ústí Nad Labem, Plzeň - Slovany and Brno - Lužánky…).
Still active: the directory includes official activity in the 2026 season. Latest competition: Praha - Podolí, on June 26, 2026. He holds 14 current event personal bests across 14 verified official swims.