Mezue ahịrịokwu na-esonụ: Ríkarður Ríkarðsson (amụrụ na Nọvemba 2, 1977) bụ onye Iceland bụbu onye na-egwu mmiri, onye ọkachamara na ọsọ ọsọ na ụdị butterfly. Rikardsson gbara asọmpi naanị n'ihe omume abụọ n'otu n'otu na 2000 Summer Olympics na Sydney. O nwetara ụkpụrụ FINA B nke 56.22 (100 m butterfly) site na US National Championships na Federal Way, Washington, na 52.42 (100 m freestyle) site na European Championships na Helsinki, Finland. N'ime
Na 100 m freestyle, Rikardsson tinyere iri ise na asatọ n'ụtụtụ ụtụtụ. Na-egwu mmiri na okpomọkụ nke atọ, ọ tụtụtara mkpụrụ nke anọ site na 0.63 nke nke abụọ n'azụ onye mmeri Paul Kutscher nke Uruguay na 52.85. Ụbọchị abụọ ka e mesịrị, na 100 m butterfly, Rikardsson gbara ndị ọzọ na-egwu mmiri asaa na okpomọkụ nke abụọ, gụnyere Guam dị afọ 28 Daniel O'Keeffe na Bosnia nke ugboro atọ n'egwuregwu Olimpik Janko Gojković. O mebiri ihe ndekọ Iceland ọhụrụ nke 56.11 iji were ọnọdụ nke isii na nke iri anọ na asatọ n'ozuzu, na-agwụcha n'azụ onye mmeri Gojkovic site na ihe fọrọ nke nta ka ọ bụrụ ụzọ abụọ n'ụzọ atọ nke abụọ (0.66).