KoKa · CZE
Jakub is a swimmer from Czechia, a butterfly specialist and a sprinter, with an official competitive record verified in the Swimer directory.
His recorded career begins in 2025 in Karviná, where he raced the 50 butterfly in 1:14.05.
His signature event is the 50 butterfly, his reference distance in butterfly. Butterfly is the backbone of the whole record: 1 recorded swims.
His fastest 50 butterfly stands at 1:14.05, set in short course (25 m) at Karviná.
He has raced for KoKa.
Latest competition: Karviná, on December 18, 2025. He closes this record with 1 current event personal bests, across 1 verified official swims.