Which American swimmer holds the record for the most Olympic gold medals of any athlete, having won 23 golds across four Olympic Games?

• A Michael Phelps ✓
• B Mark Spitz
• C Ryan Lochte
• D Matt Biondi

Michael Phelps' 28 total Olympic medals (23 gold, 3 silver, 2 bronze) and the record eight golds at Beijing 2008 are among the greatest achievements in Olympic history.