Michael Phelps
Ryan Lochte
Stat by stat
Bars are scaled to the leader in this list.
The verdict
Michael Phelps leads 4 of 4 categories. Our all-time ranking places Michael Phelps at #1 and Ryan Lochte at #12.
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The case for Michael Phelps
The most decorated Olympian in history across all sports. Phelps won 28 Olympic medals, 23 of them gold, over five Games from Sydney 2000 to Rio 2016, including a still-unmatched eight golds at Beijing 2008 that broke Mark Spitz's 1972 record of seven. He set 39 world records and claimed 26 world-championship titles. His range was staggering: Olympic gold in the 100m and 200m butterfly, the 200m and 400m individual medley, the 200m freestyle and a stack of relays. Coached by Bob Bowman, Phelps combined a huge wingspan, relentless training volume and famous racing nerve, touching out Milorad Cavic by 0.01 seconds in Beijing. No swimmer has matched his blend of longevity, versatility and championship hardware, and none is close on career gold medals.
The case for Ryan Lochte
Phelps's great rival and, on his day, the only man who could beat him. Lochte won six Olympic gold medals and 12 Olympic medals overall across four Games, specialising in the individual medley and backstroke, and set world records in the 200m IM (1:54.00) and 200m backstroke. He was one of the most decorated swimmers in World Championship history, with 27 medals across long-course and short-course events, a testament to his range and durability. Fearsomely versatile, he pushed Phelps in the 200m and 400m IM and the 200m backstroke throughout their careers, often forcing world-record swims. A dominant medley racer whose reputation off the pool was later dented, Lochte's competitive record places him firmly among the greats.