Katinka Hosszu
Sarah Sjostrom
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Bars are scaled to the leader in this list.
The verdict
Sarah Sjostrom leads 2 of 4 categories. Our all-time ranking places Katinka Hosszu at #10 and Sarah Sjostrom at #11.
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The case for Katinka Hosszu
The 'Iron Lady', the most prolific racer of her generation and the queen of the individual medley. Hosszu won three gold medals at the Rio 2016 Olympics, in the 200m IM, 400m IM and 100m backstroke, and set world records in the 200m IM (2:06.12) and 400m IM (4:26.36) that showcased her all-round mastery. She amassed around nine world-championship titles and built an unprecedented career on the World Cup circuit, racing dozens of events per season for prize money and points, hence her nickname. Where most stars pick a lane, Hosszu contested every stroke and distance, and her medley dominance across the 2010s, combining butterfly, backstroke, breaststroke and freestyle at the highest level, made her one of the most versatile swimmers ever.
The case for Sarah Sjostrom
The finest sprint and butterfly swimmer Europe has produced and a model of longevity. Sjostrom won the 100m butterfly at Rio 2016 in a world-record 55.48 that still stands, then reinvented herself as a freestyle sprinter, winning both the 50m and 100m freestyle at the Paris 2024 Olympics after an elbow injury that nearly ended her career. She has claimed three Olympic golds and around seven medals overall, together with roughly eight world-championship titles and world records in the 50m butterfly and 50m freestyle. First reaching a major final as a teenager in 2008 and still winning golds sixteen years later, Sjostrom's blend of explosive speed and career durability across two distinct specialties is almost unique in the sport.