HKG
Siobhan is a swimmer from HKG, a collegiate competitor and an international traveller on the circuit, whose official competitive record spans 16 seasons, 22 countries and 108 meets.
Her recorded career begins in 2011, and one of her earliest marks still on file is the 400 individual medley in 4:51.30, raced in Tianjin.
Her signature event is the 100 freestyle, the event she has raced the most, followed by the 200 freestyle and 50 freestyle. Freestyle is the backbone of the whole record: 101 meets and 261 recorded swims.
Her fastest 100 freestyle stands at 50.79, set in long course (50 m) at ISL Final - Match 18.
She has raced at the Olympic Games level, between 2014 and 2024 (Youth Olympic Games Nanjing 2014 and Olympic Games Rio 2016). A representative mark at that level is 52.27 in the 100 freestyle, recorded in long course (50 m). She also appears in world championships, the World Cup circuit, national championships and international meets.
The record runs unbroken from 2011 to 2026: 16 consecutive seasons without a single missing year. 2021 is the busiest season on record, with 47 verified individual swims.
She is a genuinely international swimmer: the official record spans 22 countries (UNK, the United States, China, Hungary, Italy, France, the Netherlands, Spain, Japan, South Korea, the United Arab Emirates, Australia, Canada, Germany, Monaco, RUS, Brazil, Greece, Norway, Singapore, Switzerland and Sweden), most often in UNK (35 meets).
Those meets span 47 different venues (Hong_kong, Budapest, Monaco and Napoli…). She has raced for 6 clubs, led by Hong Kong Swimming Federation, University of Michigan, South China Athletic Association and Big Ten Conference.
Still active: the directory includes official activity in the 2026 season. Latest competition: 2026 Hong Kong Open Swimming Championships (50m) in Hong Kong, on August 9, 2026, with 1 swim: 52.88 in the 100 freestyle, all in long course (50 m). She holds 23 current event personal bests and 81 all-time PB improvements across 326 verified official swims in competitions governed by World Aquatics.