C.N. Leganes · ESP
Sergio is a swimmer from Spain, a backstroke specialist and a sprinter, whose official competitive record spans 15 seasons and 171 meets.
His recorded career begins in 2012, and one of his earliest marks still on file is the 200 butterfly in 3:01.39, raced in Madrid. He started out alongside C.N. CIUDAD DE ALCORCON.
His signature event is the 100 backstroke, the event he has raced the most, followed by the 50 backstroke and 200 backstroke. Backstroke is the backbone of the whole record: 108 meets and 234 recorded swims.
His fastest 100 backstroke stands at 58.15, set in long course (50 m) at Palma de Mallorca.
His record includes national championships, in 2026 (Campeonato de España Primavera, Sabadell, ESP and CXIII Campeonato de España Absoluto Open, Palma de Mallorca, ESP). A representative mark at that level is 1:00.15 in the 100 backstroke, recorded in long course (50 m).
The record runs unbroken from 2012 to 2026: 15 consecutive seasons without a single missing year. 2018 is the busiest season on record, with 51 verified individual swims.
Those meets span 11 different venues (Madrid, Palma, Sabadell and Barcelona…). He has raced for Club Natacion Leganes and C.N. CIUDAD DE ALCORCON.
Still active: the directory includes official activity in the 2026 season. Latest competition: LEGANÉS in Madrid, on October 3, 2026, with 2 swims: 24.31 in the 50 freestyle and 26.31 in the 50 butterfly, all in short course (25 m). He holds 32 current event personal bests and 282 all-time PB improvements across 445 verified official swims in competitions governed by RFEN.