Maxmilián KOKSTEIN

PKNy · CZE

Maxmilián is a swimmer from Czechia, a butterfly specialist and a sprinter, whose official competitive record spans 4 seasons and 10 meets.

His recorded career begins in 2023 in Rakovník, where he raced the 1500 butterfly in 25:59.70. He started out alongside Plavecký klub Nymburk, 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 19 recorded swims.

His fastest 100 butterfly stands at 1:08.42, set in long course (50 m) at Hradec Králové.

The record runs unbroken from 2023 to 2026: 4 consecutive seasons without a single missing year. 2026 is the busiest season on record, with 11 verified individual swims.

Those meets span 9 different venues (Neratovice, Kladno, Nymburk and Rakovník…). He has raced for PKNy.

Still active: the directory includes official activity in the 2026 season. The last race on record is dated April 25, 2026 in Praha - Podolí, with 3 swims: 40.31 in the 50 butterfly, 1:28.47 in the 100 butterfly and 2:39.78 in the 200 butterfly, all in long course (50 m) and 1 PB improvement. He holds 12 current event personal bests and 15 all-time PB improvements across 22 verified official swims.

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