Mechaa ihe a e kwuru n'okpuru ebe a: N'egwuregwu Olimpik nke afọ 2008 e mere na Beijing, China, Steffen meriri n'ọsọ ọsọ 100 mita, bụ́ nke a na-agba n'enweghị onye gbara ya, ọ bụ onye Ọstrelia aha ya bụ Libby Trickett, bụ́ onye kasị gbaa ọsọ n'ụwa, gbara ya n'ọsọ ahụ. Steffen metụrụ aka na 53.12 sekọnd, na-emezi ihe ndekọ Olympic nke 53.38 setịpụrụ na ụkwụ nke 4 × 100 m freestyle relay. Steffen mechara merie Dara Torres iji merie
Ọlaedo n'ọsọ mita 50 n'ụdị nnwere onwe na oge nke sekọnd 24.06, na-emeri site na 0.01 sekọnd.