SlPl · CZE
Marek is a swimmer from Czechia, a butterfly specialist, whose official competitive record spans 7 seasons, 8 years and 20 meets.
His recorded career begins in 2019, and one of his earliest marks still on file is the 1500 butterfly in 19:00.60, raced in Plzeň - Slovany. He started out alongside Plavecký klub Slávia VŠ Plzeň z.s..
His signature event is the 100 butterfly, the event he has raced the most, followed by the 200 butterfly and 50 butterfly. Butterfly is the backbone of the whole record: 19 meets and 25 recorded swims.
His fastest 100 butterfly stands at 56.58, set in long course (50 m) at České Budějovice.
After a 2-year break between 2019 and 2021, he came back to racing and the record picks up again in 2021. 2023 is the busiest season on record, with 12 verified individual swims.
Those meets span 10 different venues (Plzeň, Plzeň - Slovany, Praha - Podolí and Graz…). He has raced for SlPl.
Still active: the directory includes official activity in the 2026 season. The last race on record is dated May 31, 2026 in Ústí Nad Labem, with 1 swim: 2:27.51 in the 200 butterfly, all in long course (50 m). He holds 14 current event personal bests and 21 all-time PB improvements across 30 verified official swims.