PKHK · CZE
Marek is a swimmer from Czechia, a butterfly specialist and a sprinter, whose official competitive record spans 5 seasons, 7 years and 9 meets.
His recorded career begins in 2019 in Mladá Boleslav, where he raced the 1500 butterfly in 23:16.57. He started out alongside Plavecký klub Hradec Králové z.s..
His signature event is the 100 butterfly, the event he has raced the most, followed by the 50 butterfly and 200 butterfly. Butterfly is the backbone of the whole record: 9 meets and 16 recorded swims.
His fastest 100 butterfly stands at 1:08.46, set in long course (50 m) at Hradec Králové.
After a 2-year break between 2021 and 2023, he came back to racing and the record picks up again in 2023. 2019 is the busiest season on record, with 6 verified individual swims.
Those meets span 5 different venues (Mladá Boleslav, Náchod, Kladno and Jilemnice…). He has raced for PKHK.
The last race on record is dated November 8, 2025 in Náchod, with 2 swims: 1:23.06 in the 100 butterfly and 1:06.08 in the 100 butterfly, all in short course (25 m) and 2 PB improvements. He closes this record with 11 current event personal bests and 18 all-time PB improvements, across 20 verified official swims.