Adam Peaty
Sarah Sjostrom
Stat by stat
Bars are scaled to the leader in this list.
The verdict
Sarah Sjostrom leads 2 of 4 categories. Our all-time ranking places Adam Peaty at #9 and Sarah Sjostrom at #11.
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The case for Adam Peaty
The most dominant single-event swimmer of the modern era. Peaty transformed the 100m breaststroke, becoming the only man ever to break 57 seconds and setting the world record at 56.88 in 2019, a mark far ahead of the rest of history. He won Olympic gold in the 100m breaststroke at Rio 2016 and Tokyo 2020, plus a mixed-relay gold, for three Olympic golds, and collected around eight world-championship titles. His 'Project 56' target became a byword for pushing a barrier thought unreachable. Between 2014 and 2021 he was undefeated in the 100m breaststroke at every major final, a streak of dominance rare in any sport. His combination of stroke rate and power rewrote what the event could be.
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.