ÚAPS · CZE
Ondřej is a swimmer from Czechia, a butterfly specialist and a distance swimmer, whose official competitive record spans 3 seasons and 12 meets.
His recorded career begins in 2024 in Olomouc, where he raced the 400 butterfly in 4:55.49.
His signature event is the 400 butterfly, his reference distance in butterfly, ahead of the 1500 butterfly and 800 butterfly. Butterfly is the backbone of the whole record: 12 recorded swims.
His fastest 400 butterfly stands at 4:55.49, set in long course (50 m) at Olomouc.
The record runs unbroken from 2024 to 2026: 3 consecutive seasons without a single missing year.
Those meets span 12 different venues (Olomouc, Ústí Nad Labem, Litoměřice and Trutnov…).
Still active: the directory includes official activity in the 2026 season. Latest competition: Plzeň, on October 17, 2026. He holds 17 current event personal bests across 17 verified official swims.