UnOl · CZE
Štěpán is a swimmer from Czechia, a butterfly specialist and a sprinter, whose official competitive record spans 2 seasons and 7 meets.
His recorded career begins in 2025, and one of his earliest marks still on file is the 800 butterfly in 12:52.02, raced in Prostějov. He started out alongside SKUP Olomouc, z.s..
His signature event is the 100 butterfly, the event he has raced the most, followed by the 50 butterfly and 100 individual medley. Butterfly is the backbone of the whole record: 7 meets and 13 recorded swims.
His fastest 100 butterfly stands at 1:17.80, set in long course (50 m) at Přerov.
2026 is the busiest season on record, with 13 verified individual swims.
Those meets span 4 different venues (Prostějov, Olomouc, Zlín and Ac Baluo, Olomouc). He has raced for UnOl.
Still active: the directory includes official activity in the 2026 season. The last race on record is dated June 25, 2026 in Olomouc, with 4 swims: 42.72 in the 50 butterfly, 50.94 in the 50 butterfly and 34.09 in the 50 butterfly, all in short course (25 m) and 2 PB improvements. He holds 9 current event personal bests and 11 all-time PB improvements across 14 verified official swims.