PKNy · CZE
Marek is a swimmer from Czechia, a butterfly specialist and a sprinter, whose official competitive record spans 2 seasons and 4 meets.
His recorded career begins in 2025, and one of his earliest marks still on file is the 100 butterfly in 1:43.31, raced in Neratovice. He started out alongside Plavecký klub Nymburk, z.s..
His signature event is the 50 butterfly, the event he has raced the most, followed by the 100 butterfly and 400 butterfly. Butterfly is the backbone of the whole record: 4 meets and 7 recorded swims.
His fastest 50 butterfly stands at 46.91, set in short course (25 m) at Kralupy nad Vltavou.
2026 is the busiest season on record, with 4 verified individual swims.
Those meets span 4 different venues (Rakovník, Neratovice, Brandýs Nad Labem and Kralupy Nad Vltavou). He has raced for PKNy.
Still active: the directory includes official activity in the 2026 season. The last race on record is dated March 28, 2026 in Neratovice, with 4 swims: 59.35 in the 50 butterfly, 47.45 in the 50 butterfly and 1:43.31 in the 100 butterfly, all in short course (25 m) and 4 PB improvements. He holds 4 current event personal bests and 7 all-time PB improvements across 7 verified official swims.