PKLou · CZE
Josef is a swimmer from Czechia, a butterfly specialist and a sprinter, whose official competitive record spans 3 seasons and 9 meets.
His recorded career begins in 2024, and one of his earliest marks still on file is the 50 butterfly in 42.18, raced in Kadaň. He started out alongside Plavecký klub PROSEN Louny, z.s..
His signature event is the 50 butterfly, the event he has raced the most, followed by the 100 butterfly and 200 butterfly. Butterfly is the backbone of the whole record: 9 meets and 14 recorded swims.
His fastest 50 butterfly stands at 42.18, set in long course (50 m) at Kadaň.
The record runs unbroken from 2024 to 2026: 3 consecutive seasons without a single missing year. 2026 is the busiest season on record, with 10 verified individual swims.
Those meets span 6 different venues (Mělník, Kadaň, Lovosice and Plavecká Hala Louny…). He has raced for PKLou.
Still active: the directory includes official activity in the 2026 season. The last race on record is dated October 3, 2026 in Mělník, with 3 swims: 45.03 in the 50 butterfly, 38.52 in the 50 butterfly and 1:41.25 in the 100 butterfly, all in short course (25 m) and 1 PB improvement. He holds 6 current event personal bests and 10 all-time PB improvements across 14 verified official swims.