BUKS Warszawa · POL
Kf is a swimmer from Poland, a backstroke specialist and a sprinter, whose official competitive record spans 9 seasons, 5 countries and 16 meets.
His recorded career begins in 2017 in Kozienice, where he raced the 100 individual medley in 1:01.64.
His signature event is the 50 backstroke, the event he has raced the most, followed by the 100 backstroke and 50 freestyle. Backstroke is the backbone of the whole record: 15 meets and 27 recorded swims.
His fastest 50 backstroke stands at 25.58, set in long course (50 m) at Polish National Championships (50m).
His record includes world championships, in 2019 (7th FINA World Junior Swimming Championships 2019). A representative mark at that level is 26.73 in the 50 backstroke, recorded in long course (50 m). He also appears in the World Cup circuit, continental championships, national championships and international meets.
The record runs unbroken from 2017 to 2025: 9 consecutive seasons without a single missing year. 2021 is the busiest season on record, with 12 verified individual swims.
He is a genuinely international swimmer: the official record spans 5 countries (Poland, Finland, Germany, Hungary and SLO), including 4 of 16 meets outside Poland.
Those meets span 10 different venues (Lublin, Olsztyn, Lodz and Ravne…). He has raced for BUKS Warszawa.
Latest competition: Polish Swimming Championships 2025 in Lublin, on April 30, 2025, with 1 swim: 26.55 in the 50 backstroke, all in long course (50 m). He closes this record with 10 current event personal bests and 21 all-time PB improvements, across 47 verified official swims in competitions governed by World Aquatics.