ESP
Sergio is a swimmer from Spain whose official competitive record spans 12 seasons and 111 meets.
His recorded career begins in 2015, and one of his earliest marks still on file is the 200 butterfly in 2:35.39, raced in Valladolid. He started out alongside C.ACUATICO SALAMANCA.
His signature event is the 400 freestyle, the event he has raced the most, followed by the 200 freestyle and 100 freestyle. Freestyle is the backbone of the whole record: 87 meets and 183 recorded swims.
His fastest 400 freestyle stands at 4:32.27, set in long course (50 m) at Valladolid.
The record runs unbroken from 2015 to 2026: 12 consecutive seasons without a single missing year. 2021 is the busiest season on record, with 52 verified individual swims.
Those meets span 4 different venues (Salamanca, Valladolid, Palma and Oviedo). He has raced for CLUB BENAVENTE NATACION and C.ACUATICO SALAMANCA.
Still active: the directory includes official activity in the 2026 season. The last race on record is dated July 5, 2026 in Valladolid, with 3 swims: 31.99 in the 50 backstroke, 1:07.94 in the 100 butterfly and 9:55.85 in the 800 freestyle, all in long course (50 m) and 1 PB improvement. He holds 34 current event personal bests and 240 all-time PB improvements across 316 verified official swims in competitions governed by RFEN.