Dee ihe ga-aga n'ihu na paragraf a - O meghachiri ihe ịga nke ọma nke mmeri otu ihe ahụ na asọmpi Olimpik atọ n'ehihie na-eso ya, na-enweta ihe nrite ọlaedo n'egwuregwu Olimpik na 100 m butterfly
, bụ asọmpi ikpeazụ ya. Mgbe mmeri abụọ dị nso na 100 m butterfly na 2004 na 2008 Olympics (site na 0.04 na 0.01 sekọnd, n'otu n'otu), na agbụrụ a Phelps meriri Le Clos na Yevgeny Korotyshkin, bụ ndị jikọtara ọlaọcha, site na 0.23 sekọnd.