KSPKl · CZE
Marek is a swimmer from Czechia, a butterfly specialist, whose official competitive record spans 7 meets.
His recorded career begins in 2026 in Plzeň - Slovany, where he raced the 50 butterfly in 33.96.
His signature event is the 50 butterfly, his reference distance in butterfly, ahead of the 100 butterfly and 1500 butterfly. Butterfly is the backbone of the whole record: 9 recorded swims.
His fastest 50 butterfly stands at 33.96, set in long course (50 m) at Plzeň - Slovany.
Those meets span 5 different venues (Plzeň - Slovany, Příbram, Kladno and Praha - Podolí Venkovní Bazén…).
Still active: the directory includes official activity in the 2026 season. Latest competition: Příbram, on October 11, 2026. He holds 13 current event personal bests across 13 verified official swims.