PKZn · CZE
Jakub is a swimmer from Czechia, a butterfly specialist, whose official competitive record spans 2 seasons and 6 meets.
His recorded career begins in 2025, and one of his earliest marks still on file is the 800 butterfly in 13:20.90, raced in Brno-lužánky. He started out alongside Plavecký klub Znojmo z.s..
His signature event is the 50 butterfly, the event he has raced the most, followed by the 100 butterfly and 200 individual medley. Butterfly is the backbone of the whole record: 6 meets and 14 recorded swims.
His fastest 50 butterfly stands at 39.07, set in long course (50 m).
2026 is the busiest season on record, with 12 verified individual swims.
Those meets span 5 different venues (Linz, Hodonín, Prostějov and Brno - Lesná…). He has raced for PKZn.
Still active: the directory includes official activity in the 2026 season. The last race on record is dated June 13, 2026 in Prostějov, with 5 swims: 1:21.33 in the 100 butterfly, 3:28.00 in the 200 individual medley and 3:47.05 in the 200 butterfly, all in short course (25 m) and 5 PB improvements. He holds 13 current event personal bests and 16 all-time PB improvements across 17 verified official swims.