UnOl · CZE
Sebastian is a swimmer from Czechia, a butterfly specialist, whose official competitive record spans 2 seasons and 7 meets.
His recorded career begins in 2025 in Šumperk, where he raced the 200 individual medley in 2:58.92.
His signature event is the 50 butterfly, his reference distance in butterfly, ahead of the 200 butterfly and 100 butterfly. Butterfly is the backbone of the whole record: 9 recorded swims.
His fastest 50 butterfly stands at 32.40, set in long course (50 m) at Olomouc.
Those meets span 7 different venues (Šumperk, Přerov, Olomouc and Zlín…).
Still active: the directory includes official activity in the 2026 season. Latest competition: Prostějov, on October 17, 2026. He holds 12 current event personal bests across 12 verified official swims.