PLPř · CZE
Jonáš 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 2026 in Šternberk, Generála Eliáše 2790/12, 785 01, where he raced the 50 butterfly in 52.19.
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 52.19, set in short course (25 m) at Šternberk, Generála Eliáše 2790/12, 785 01.
He has raced for PLPř.
Still active: the directory includes official activity in the 2026 season. Latest competition: Šternberk, Generála Eliáše 2790/12, 785 01, on May 16, 2026. He holds 1 current event personal bests across 1 verified official swims.