{"id":81663,"date":"2026-04-23T07:00:24","date_gmt":"2026-04-23T10:00:24","guid":{"rendered":"https:\/\/swimchannel.net\/br\/?p=81663"},"modified":"2026-04-22T19:46:58","modified_gmt":"2026-04-22T22:46:58","slug":"porque-38-km-e-a-distancia-da-natacao-no-iroman","status":"publish","type":"post","link":"https:\/\/swimchannel.net\/br\/porque-38-km-e-a-distancia-da-natacao-no-iroman\/","title":{"rendered":"Porque 3,8 km \u00e9 a dist\u00e2ncia da nata\u00e7\u00e3o no Ironman?"},"content":{"rendered":"<p>Quem acompanha o Ironman sabe que o evento tem dist\u00e2ncias diferentes da prova do triatlo ol\u00edmpico, que poder\u00e1 ser visto daqui algumas semanas em Paris. O Ironman tem um total de 225,9 km, ou 140,6 milhas a serem percorridos em tr\u00eas modalidades: 3,8 km na nata\u00e7\u00e3o, 180 km no ciclismo e mais 42,1 km na maratona. No triatlo ol\u00edmpico s\u00e3o 1,5 km na nata\u00e7\u00e3o, 40 km no ciclismo e mais 10 km na corrida. Mas porque a dist\u00e2ncia da nata\u00e7\u00e3o no Ironman \u00e9 \u00e9 quase tr\u00eas vezes maior do que a do triatlo nos Jogos Ol\u00edmpicos?<\/p>\n<p>Nascido no Hava\u00ed em 1978, o Ironman sempre foi tida como uma prova de m\u00e1xima resist\u00eancia f\u00edsica e mental. A primeira disputa nesta dist\u00e2ncia reuniu apenas 15 bravos candidatos para competir pelo t\u00edtulo de \u201chomem de ferro\u201d. O evento inaugural foi um sucesso e o americano Gordon Haller venceu a primeira edi\u00e7\u00e3o neste formato ao concluir o desafio em 11h46min58s. A partir dai o Ironman passou a ser disputado anualmente, a atrair novos atletas das tr\u00eas modalidades e tornou-se uma marca global com etapas ao redor do mundo.<\/p>\n<figure id=\"attachment_67319\" aria-describedby=\"caption-attachment-67319\" style=\"width: 963px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-67319\" src=\"https:\/\/swimchannel.net\/br\/wp-content\/uploads\/2024\/07\/2018-10-13-ironman-SWIM-05.jpg\" alt=\"\" width=\"963\" height=\"630\" srcset=\"https:\/\/swimchannel.net\/br\/wp-content\/uploads\/2024\/07\/2018-10-13-ironman-SWIM-05.jpg 963w, https:\/\/swimchannel.net\/br\/wp-content\/uploads\/2024\/07\/2018-10-13-ironman-SWIM-05-275x180.jpg 275w, https:\/\/swimchannel.net\/br\/wp-content\/uploads\/2024\/07\/2018-10-13-ironman-SWIM-05-768x502.jpg 768w, https:\/\/swimchannel.net\/br\/wp-content\/uploads\/2024\/07\/2018-10-13-ironman-SWIM-05-750x491.jpg 750w\" sizes=\"auto, (max-width: 963px) 100vw, 963px\" \/><figcaption id=\"caption-attachment-67319\" class=\"wp-caption-text\">Atletas durante o Ironman no Hava\u00ed &#8211; Foto: Reprodu\u00e7\u00e3o\/Ironman<\/figcaption><\/figure>\n<p>Os 3,8 km da nata\u00e7\u00e3o tem esta dist\u00e2ncia porque \u00e9 exatamente o percurso de uma das mais famosas provas de \u00e1guas abertas do Hava\u00ed, a\u00a0<a href=\"https:\/\/waikikiroughwaterswim.com\/\" target=\"_blank\" rel=\"noopener\">The Waikiki Rothwater Swim<\/a>. O evento, que existe desde 1970 e vai ocorrer este ano em setembro, tem o formato de travessia entre as praias de Kaimana Beach e Kahanamoko Beach na Ilha de Waikiki. Esta segunda ilha leva o nome do lend\u00e1rio waterman Duke Kahanamoku. Como a primeira edi\u00e7\u00e3o do Ironman foi disputada no Hava\u00ed, ficou decidido que a nata\u00e7\u00e3o teria este percurso antes dos atletas fazerem a transi\u00e7\u00e3o para o ciclismo.<\/p>\n<p>Esta dist\u00e2ncia ficou eternizada gra\u00e7as ao Ironman e consequentemente, passou a ser disputada em outras etapas ao redor do mundo sempre com o percurso de 3,8 km. Trata-se de uma dist\u00e2ncia que exige uma consider\u00e1vel resist\u00eancia f\u00edsica do triatleta, que precisa dosar sua energia visando as demais modalidades. Com o passar dos anos o Ironman criou uma categoria que contempla metade dos percursos da vers\u00e3o principal com 1,9 km de nado, 90 km de pedalada e 21 km de corrida, totalizando 112,9 km de desafio.<\/p>\n<figure id=\"attachment_71096\" aria-describedby=\"caption-attachment-71096\" style=\"width: 945px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-71096\" src=\"https:\/\/swimchannel.net\/br\/wp-content\/uploads\/2025\/01\/ilhabelaluqque1.jpg\" alt=\"\" width=\"945\" height=\"630\" srcset=\"https:\/\/swimchannel.net\/br\/wp-content\/uploads\/2025\/01\/ilhabelaluqque1.jpg 945w, https:\/\/swimchannel.net\/br\/wp-content\/uploads\/2025\/01\/ilhabelaluqque1-270x180.jpg 270w, https:\/\/swimchannel.net\/br\/wp-content\/uploads\/2025\/01\/ilhabelaluqque1-768x512.jpg 768w, https:\/\/swimchannel.net\/br\/wp-content\/uploads\/2025\/01\/ilhabelaluqque1-750x500.jpg 750w\" sizes=\"auto, (max-width: 945px) 100vw, 945px\" \/><figcaption id=\"caption-attachment-71096\" class=\"wp-caption-text\">Travessia do Canal de Ilhabela &#8211; Foto: Felippe Luque<\/figcaption><\/figure>\n<p>E para voc\u00ea que chegou at\u00e9 aqui e quer viver a experi\u00eancia de nadar esta dist\u00e2ncia e tamb\u00e9m se preparar para uma edi\u00e7\u00e3o do Ironman existe no Brasil uma prova de \u00e1guas abertas exclusiva com esta dist\u00e2ncia de 3,8 km. Trata-se da Travessia do Canal de Ilhabela, evento presente no calend\u00e1rio nacional de provas desde 2014 e que acontece anualmente. A prova pode ser disputada em at\u00e9 tr\u00eas percursos (leste, sul e canal fechado) e leva ao litoral norte paulista atletas de todo o Brasil.<\/p>\n<p>Um diferencial do Canal de Ilhabela \u00e9 que o evento preserva os recordes da competi\u00e7\u00e3o, que serve como forma de valorizar os nadadores e tamb\u00e9m motivar futuros campe\u00f5es a superar as marcas hist\u00f3ricas da travessia. Este ano o evento ser\u00e1 realizado no dia 15 de novembro e as inscri\u00e7\u00f5es para a prova j\u00e1 est\u00e3o abertas e podem ser feitas aqui: <a href=\"https:\/\/www.canaldeilhabela.com.br\/shop\/2026\/\" target=\"_blank\" rel=\"noopener\">https:\/\/www.canaldeilhabela.com.br\/shop\/2026\/<\/a>. Visite o site oficial da prova, que tem divulga\u00e7\u00e3o de m\u00eddia feita pela <strong>SWIM CHANNEL<\/strong>, e teste suas habilidades nos 3,8 km de prova, site oficial com informa\u00e7\u00f5es sobre o evento:\u00a0<a href=\"https:\/\/www.canaldeilhabela.com.br\/\" target=\"_blank\" rel=\"noopener\"><strong>https:\/\/www.canaldeilhabela.com.br\/<\/strong><\/a>.<\/p>\n<p>&nbsp;<\/p>\n<p>Gostaria de receber as not\u00edcias de nata\u00e7\u00e3o e \u00e1guas abertas no seu email?<\/p>\n<p><a href=\"https:\/\/lpa.nitro.news\/n-GNe\/ultimas-noticias-swim-channel\">Cadastre-se aqui<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Quem acompanha o Ironman sabe que o evento tem dist\u00e2ncias diferentes da prova do triatlo ol\u00edmpico, que poder\u00e1 ser visto daqui algumas semanas em Paris. O Ironman tem um total de 225,9 km, ou 140,6 milhas a serem percorridos em tr\u00eas modalidades: 3,8 km na nata\u00e7\u00e3o, 180 km no ciclismo e mais 42,1 km na [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":67320,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"gallery","meta":{"footnotes":""},"categories":[1512],"tags":[14,1900,6026,5,4351,1712],"class_list":["post-81663","post","type-post","status-publish","format-gallery","has-post-thumbnail","hentry","category-travessia-do-canal-de-ilhabela","tag-aguas-abertas","tag-havai","tag-ironman","tag-natacao","tag-travessia-do-canal-de-ihabela","tag-triatlo","post_format-post-format-gallery"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Porque 3,8 km \u00e9 a dist\u00e2ncia da nata\u00e7\u00e3o no Ironman? - Swimchannel<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/swimchannel.net\/br\/porque-38-km-e-a-distancia-da-natacao-no-iroman\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Porque 3,8 km \u00e9 a dist\u00e2ncia da nata\u00e7\u00e3o no Ironman? - Swimchannel\" \/>\n<meta property=\"og:description\" content=\"Quem acompanha o Ironman sabe que o evento tem dist\u00e2ncias diferentes da prova do triatlo ol\u00edmpico, que poder\u00e1 ser visto daqui algumas semanas em Paris. O Ironman tem um total de 225,9 km, ou 140,6 milhas a serem percorridos em tr\u00eas modalidades: 3,8 km na nata\u00e7\u00e3o, 180 km no ciclismo e mais 42,1 km na [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/swimchannel.net\/br\/porque-38-km-e-a-distancia-da-natacao-no-iroman\/\" \/>\n<meta property=\"og:site_name\" content=\"Swimchannel\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/swimchannel\" \/>\n<meta property=\"article:published_time\" content=\"2026-04-23T10:00:24+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/swimchannel.net\/br\/wp-content\/uploads\/2024\/07\/noticias_08_ver-directo-ironman-hawaii.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1008\" \/>\n\t<meta property=\"og:image:height\" content=\"630\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Guilherme Freitas\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Escrito por\" \/>\n\t<meta name=\"twitter:data1\" content=\"Guilherme Freitas\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. tempo de leitura\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/swimchannel.net\/br\/porque-38-km-e-a-distancia-da-natacao-no-iroman\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/swimchannel.net\/br\/porque-38-km-e-a-distancia-da-natacao-no-iroman\/\"},\"author\":{\"name\":\"Guilherme Freitas\",\"@id\":\"https:\/\/swimchannel.net\/br\/#\/schema\/person\/aa2a63bab3275f53749a83276b213c48\"},\"headline\":\"Porque 3,8 km \u00e9 a dist\u00e2ncia da nata\u00e7\u00e3o no Ironman?\",\"datePublished\":\"2026-04-23T10:00:24+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/swimchannel.net\/br\/porque-38-km-e-a-distancia-da-natacao-no-iroman\/\"},\"wordCount\":640,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/swimchannel.net\/br\/#organization\"},\"image\":{\"@id\":\"https:\/\/swimchannel.net\/br\/porque-38-km-e-a-distancia-da-natacao-no-iroman\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/swimchannel.net\/br\/wp-content\/uploads\/2024\/07\/noticias_08_ver-directo-ironman-hawaii.jpg\",\"keywords\":[\"\u00c1guas abertas\",\"Hava\u00ed\",\"Ironman\",\"natacao\",\"Travessia do Canal de Ihabela\",\"triatlo\"],\"articleSection\":[\"Travessia do Canal de Ilhabela\"],\"inLanguage\":\"pt-BR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/swimchannel.net\/br\/porque-38-km-e-a-distancia-da-natacao-no-iroman\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/swimchannel.net\/br\/porque-38-km-e-a-distancia-da-natacao-no-iroman\/\",\"url\":\"https:\/\/swimchannel.net\/br\/porque-38-km-e-a-distancia-da-natacao-no-iroman\/\",\"name\":\"Porque 3,8 km \u00e9 a dist\u00e2ncia da nata\u00e7\u00e3o no Ironman? 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