SlCho · CZE
Kostiantyn is a swimmer from Czechia, a butterfly specialist and a sprinter, with an official competitive record verified in the Swimer directory.
His recorded career begins in 2026 in Varnsdorf, where he raced the 100 butterfly in 1:40.42.
His signature event is the 100 butterfly, his reference distance in butterfly, ahead of the 50 butterfly. Butterfly is the backbone of the whole record: 2 recorded swims.
His fastest 100 butterfly stands at 1:40.42, set in short course (25 m) at Varnsdorf.
He has raced for SlCho.
Still active: the directory includes official activity in the 2026 season. Latest competition: Varnsdorf, on May 23, 2026. He holds 2 current event personal bests across 2 verified official swims.