DeNá · CZE
Jan is a swimmer from Czechia, an individual medley specialist, whose official competitive record spans 2 seasons and 6 meets.
His recorded career begins in 2025 in Náchod, where he raced the 200 individual medley in 3:00.43.
His signature event is the 100 butterfly, his reference distance in butterfly, ahead of the 400 butterfly and 200 butterfly. Butterfly is the backbone of the whole record: 10 recorded swims.
His fastest 100 butterfly stands at 1:12.91, set in long course (50 m) at Hradec Králové.
Those meets span 4 different venues (Náchod, Hradec Králové, Trutnov and Mladá Boleslav). He has raced for DeNá.
Still active: the directory includes official activity in the 2026 season. Latest competition: Trutnov, on October 4, 2026. He holds 13 current event personal bests across 13 verified official swims.