Mark Spitz
Sarah Sjostrom
Stat by stat
Bars are scaled to the leader in this list.
The verdict
Mark Spitz leads 3 of 4 categories. Our all-time ranking places Mark Spitz at #3 and Sarah Sjostrom at #11.
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The case for Mark Spitz
For 36 years the standard by which all Olympic swimmers were judged. At the Munich 1972 Games, Spitz won seven gold medals in seven events, every single one in world-record time, a perfect performance not surpassed until Phelps in 2008. Across two Olympics he collected nine golds and 11 medals in total, and over his career he set 33 world records in freestyle and butterfly. He retired at just 22, at his peak, before the World Championships even existed (the first were held in 1973), which is why his title tally sits outside that column. His combination of sprint speed and butterfly power, and the sheer perfection of Munich, keeps him among the immortals despite his short career.
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.