{"id":47544,"date":"2026-04-29T15:56:16","date_gmt":"2026-04-29T15:56:16","guid":{"rendered":"https:\/\/lobosnews.com.ar\/index.php\/2026\/04\/29\/por-que-los-corredores-keniatas-dominan-el-maraton-mundial-claves-biologicas-y-culturales\/"},"modified":"2026-04-30T03:26:53","modified_gmt":"2026-04-30T03:26:53","slug":"por-que-los-corredores-keniatas-dominan-el-maraton-mundial-claves-biologicas-y-culturales","status":"publish","type":"post","link":"https:\/\/lobosnews.com.ar\/index.php\/2026\/04\/29\/por-que-los-corredores-keniatas-dominan-el-maraton-mundial-claves-biologicas-y-culturales\/","title":{"rendered":"Por qu\u00e9 los corredores keniatas dominan el marat\u00f3n mundial: claves biol\u00f3gicas y culturales"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/lobosnews.com.ar\/wp-content\/uploads\/2026\/04\/por-que-los-corredores-keniatas-dominan-el-maraton-mundial-claves-biologicas-y-culturales.jpg\" alt=\"La estructura corporal, la vida a gran altitud, la disciplina y la motivaci\u00f3n social se combinan para que los corredores keniatas acumulen victorias (AP Foto\/Thomas Boyd)\" height=\"2798\" width=\"4975\"\/><\/p>\n<p>El domingo 26 de abril, <b>Sebastian <\/b><span class=\"waslinkname\"><b>Sawe<\/b><\/span>, atleta keniata de 28 a\u00f1os, bati\u00f3 el r\u00e9cord mundial al completar la marat\u00f3n de <b>Londres en 1 hora, 59 minutos y 30 segundos<\/b>. El evento, realizado en la capital brit\u00e1nica, reuni\u00f3 a miles de espectadores y consolid\u00f3 al atleta como el <b>primer hombre en terminar un marat\u00f3n oficial por debajo de las dos horas.<\/b> El deportista corri\u00f3 42,195 kil\u00f3metros a un ritmo promedio de 2 minutos y 49 segundos por kil\u00f3metro, una velocidad sostenida de 21 kil\u00f3metros por hora, en una de las pruebas m\u00e1s exigentes del <span class=\"waslinkname\">deporte <\/span>de resistencia.<\/p>\n<p>Sawe consigui\u00f3 este logro gracias a a\u00f1os de entrenamiento, disciplina y estrategias de recuperaci\u00f3n sostenidas. La preparaci\u00f3n incluy\u00f3 rutinas de alta carga kilom\u00e9trica, alimentaci\u00f3n cuidadosa y descanso prolongado. El atleta no utiliz\u00f3 dispositivos electr\u00f3nicos durante los entrenamientos, opt\u00f3 por correr en terrenos de tierra y adapt\u00f3 su rutina a las condiciones geogr\u00e1ficas de su pa\u00eds natal. Seg\u00fan el especialista en psiconeuroinmunolog\u00eda y fisioterapeuta espa\u00f1ol, <b>Antonio Bermejo<\/b>, el \u00e9xito de los corredores keniatas responde a una combinaci\u00f3n de h\u00e1bitos, entorno y biolog\u00eda.<\/p>\n<p>En di\u00e1logo con la revista deportiva <i>Runners World<\/i>, el experto se\u00f1al\u00f3 que el estilo de vida keniata y la adaptaci\u00f3n al calor constituyen ventajas innegables frente a otros atletas. Los corredores de Kenia suelen <b>dormir hasta 16 horas diarias<\/b>, combinando el sue\u00f1o nocturno con periodos de descanso entre sesiones, lo que favorece una recuperaci\u00f3n f\u00edsica \u00f3ptima para soportar la exigencia de la prueba. Adem\u00e1s, la estructura de los entrenamientos se basa en la acumulaci\u00f3n de kil\u00f3metros a baja intensidad, alternando con sesiones de alta exigencia para mejorar la tolerancia a la fatiga.<\/p>\n<h2>La aclimataci\u00f3n al calor y la estructura corporal<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/lobosnews.com.ar\/wp-content\/uploads\/2026\/04\/por-que-los-corredores-keniatas-dominan-el-maraton-mundial-claves-biologicas-y-culturales-1.jpg\" alt=\"El atleta keniata impresiona al mundo al completar los 42,195 kil\u00f3metros en menos de dos horas - EFE\/EPA\/NEIL HALL \" height=\"3793\" width=\"5354\"\/><\/p>\n<p>El calor representa el mayor enemigo de los maratonistas, y la adaptaci\u00f3n de los keniatas al clima les brinda una ventaja clave. Seg\u00fan Bermejo, la evoluci\u00f3n molde\u00f3 la composici\u00f3n corporal de los atletas africanos, quienes suelen tener extremidades proporcionalmente m\u00e1s largas y pantorrillas delgadas. Esta caracter\u00edstica favorece la<b> disipaci\u00f3n del calor durante la carrera<\/b>, ya que el calor corporal se elimina m\u00e1s eficientemente a trav\u00e9s de una mayor superficie de piel. La capacidad de \u201crefrigeraci\u00f3n\u201d permite mantener un ritmo alto sin sobrecalentar el cuerpo, un aspecto vital en pruebas de larga distancia.<\/p>\n<p>Las extremidades finas implican una mayor econom\u00eda energ\u00e9tica, ya que reducen el gasto metab\u00f3lico durante la zancada. El especialista explica que solo <b>100 gramos extra en la pantorrilla o el pie incrementan el gasto energ\u00e9tico en un 1%<\/b>. Por eso, los corredores keniatas, con piernas y tobillos delgados, ahorran combustible y mejoran la eficiencia en la carrera. Adem\u00e1s, el mayor peso en la parte proximal de la pierna genera un momento de inercia bajo, facilitando el movimiento hacia adelante con menos esfuerzo.<\/p>\n<p>La comparaci\u00f3n con poblaciones de climas fr\u00edos, como los inuit, ilustra c\u00f3mo la evoluci\u00f3n adapt\u00f3 el cuerpo a la funci\u00f3n de disipar o conservar el calor. En el caso de los keniatas, la adaptaci\u00f3n favoreci\u00f3 el rendimiento en pruebas de fondo, mientras que en otras poblaciones, el cuerpo compacto y extremidades cortas ayudan a conservar el calor en ambientes fr\u00edos.<\/p>\n<h2>Gen\u00e9tica, entorno y motivaci\u00f3n social<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/lobosnews.com.ar\/wp-content\/uploads\/2026\/04\/por-que-los-corredores-keniatas-dominan-el-maraton-mundial-claves-biologicas-y-culturales-2.jpg\" alt=\"Sawe bati\u00f3 el r\u00e9cord mundial en el marat\u00f3n londinense, demostrando que la preparaci\u00f3n, gen\u00e9tica y cultura del fondismo keniata siguen marcando la diferencia - REUTERS\/Jeenah Moon\" height=\"3071\" width=\"4694\"\/><\/p>\n<p><b>El \u00e9xito de los corredores keniatas no se explica solo por la gen\u00e9tica<\/b>, sino por una mezcla de factores epigen\u00e9ticos y ambientales. Bermejo se\u00f1ala que el morfotipo keniata se caracteriza por un \u00edndice de masa corporal bajo, tendones largos y una alta proporci\u00f3n de fibras musculares tipo I, orientadas a la resistencia. La vida y el entrenamiento a 2.000-3.000 metros sobre el nivel del mar aumentan la producci\u00f3n de gl\u00f3bulos rojos y mejoran el transporte de ox\u00edgeno, un aspecto crucial para el rendimiento en marat\u00f3n.<\/p>\n<p>El <b>entorno social y la cultura tambi\u00e9n influyen <\/b>en el desarrollo de talentos deportivos. En Kenia, correr representa una oportunidad de ascenso socioecon\u00f3mico, lo que refuerza la motivaci\u00f3n y el compromiso con el entrenamiento. Los ni\u00f1os recorren largas distancias a pie desde peque\u00f1os, desarrollan la musculatura de los pies y adquieren h\u00e1bitos de esfuerzo y disciplina desde la infancia. El entrenamiento en grupo fomenta la mejora continua y la presi\u00f3n positiva por mantener el ritmo y no quedar descolgado.<\/p>\n<p>La sencillez y el enfoque cultural en la carrera distinguen a los atletas de Kenia de sus pares occidentales. Los corredores <b>viven para entrenar, con bajo estr\u00e9s, pocas distracciones y una alta motivaci\u00f3n por la presi\u00f3n grupal<\/b> <b>y el deseo de ascenso social<\/b>. De acuerdo con Bermejo, estos elementos, sumados a la gen\u00e9tica y la aclimataci\u00f3n al calor, explican por qu\u00e9 los keniatas dominan el marat\u00f3n y logran marcas hist\u00f3ricas como la de Sawe.<\/p>\n<h2>Perspectiva internacional y estudios cient\u00edficos<\/h2>\n<p>Por otra parte, de acuerdo con <i>The New York Times<\/i> y un estudio publicado en <span class=\"waslinkname\"><i>Journal of Applied Physiology<\/i><\/span>, la gen\u00e9tica, el entorno y los h\u00e1bitos culturales son factores claves en el dominio de los keniatas en pruebas de fondo. Estudios sobre la regi\u00f3n de los Kalenjin, grupo \u00e9tnico mayoritario entre los maratonistas de \u00e9lite de Kenia, identifican variaciones gen\u00e9ticas asociadas a eficiencia metab\u00f3lica, capacidad de transporte de ox\u00edgeno y estructura corporal. <\/p>\n<p>Adem\u00e1s, la vida diaria a gran altitud y el entorno social que valora el atletismo como v\u00eda de progreso refuerzan el desarrollo de talentos excepcionales. World Athletics subraya que la combinaci\u00f3n de estos factores sigue siendo objeto de investigaci\u00f3n global y que el ejemplo de Sawe consolida el fen\u00f3meno keniata en la historia del marat\u00f3n. <\/p>\n","protected":false},"excerpt":{"rendered":"<p>El domingo 26 de abril, Sebastian Sawe, atleta keniata de 28 a\u00f1os, bati\u00f3 el r\u00e9cord mundial al completar la marat\u00f3n de Londres en 1 hora, 59 minutos y 30 segundos. El evento, realizado en la capital brit\u00e1nica, reuni\u00f3 a miles de espectadores y consolid\u00f3 al atleta como el primer hombre en terminar un marat\u00f3n oficial&#8230;<\/p>\n","protected":false},"author":1,"featured_media":47549,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[81],"tags":[],"class_list":["post-47544","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-salud"],"magazineBlocksPostFeaturedMedia":{"thumbnail":"https:\/\/lobosnews.com.ar\/wp-content\/uploads\/2026\/04\/por-que-los-corredores-keniatas-dominan-el-maraton-mundial-claves-biologicas-y-culturales-4-150x150.jpg","medium":"https:\/\/lobosnews.com.ar\/wp-content\/uploads\/2026\/04\/por-que-los-corredores-keniatas-dominan-el-maraton-mundial-claves-biologicas-y-culturales-4-300x196.jpg","medium_large":"https:\/\/lobosnews.com.ar\/wp-content\/uploads\/2026\/04\/por-que-los-corredores-keniatas-dominan-el-maraton-mundial-claves-biologicas-y-culturales-4-768x502.jpg","large":"https:\/\/lobosnews.com.ar\/wp-content\/uploads\/2026\/04\/por-que-los-corredores-keniatas-dominan-el-maraton-mundial-claves-biologicas-y-culturales-4-1024x670.jpg","1536x1536":"https:\/\/lobosnews.com.ar\/wp-content\/uploads\/2026\/04\/por-que-los-corredores-keniatas-dominan-el-maraton-mundial-claves-biologicas-y-culturales-4-1536x1005.jpg","2048x2048":"https:\/\/lobosnews.com.ar\/wp-content\/uploads\/2026\/04\/por-que-los-corredores-keniatas-dominan-el-maraton-mundial-claves-biologicas-y-culturales-4-2048x1340.jpg","newsmatic-featured":"https:\/\/lobosnews.com.ar\/wp-content\/uploads\/2026\/04\/por-que-los-corredores-keniatas-dominan-el-maraton-mundial-claves-biologicas-y-culturales-4-820x545.jpg","newsmatic-list":"https:\/\/lobosnews.com.ar\/wp-content\/uploads\/2026\/04\/por-que-los-corredores-keniatas-dominan-el-maraton-mundial-claves-biologicas-y-culturales-4-600x400.jpg","newsmatic-thumb":"https:\/\/lobosnews.com.ar\/wp-content\/uploads\/2026\/04\/por-que-los-corredores-keniatas-dominan-el-maraton-mundial-claves-biologicas-y-culturales-4-300x200.jpg","newsmatic-small":"https:\/\/lobosnews.com.ar\/wp-content\/uploads\/2026\/04\/por-que-los-corredores-keniatas-dominan-el-maraton-mundial-claves-biologicas-y-culturales-4-150x95.jpg","newsmatic-grid":"https:\/\/lobosnews.com.ar\/wp-content\/uploads\/2026\/04\/por-que-los-corredores-keniatas-dominan-el-maraton-mundial-claves-biologicas-y-culturales-4-400x250.jpg"},"magazineBlocksPostAuthor":{"name":"admin","avatar":"https:\/\/secure.gravatar.com\/avatar\/76e419471a2083bc3ceab22a763dbbf9b0c1bd15a6214cf3280e2c2dde4580f9?s=96&d=mm&r=g"},"magazineBlocksPostCommentsNumber":"0","magazineBlocksPostExcerpt":"El domingo 26 de abril, Sebastian Sawe, atleta keniata de 28 a\u00f1os, bati\u00f3 el r\u00e9cord mundial al completar la marat\u00f3n de Londres en 1 hora, 59 minutos y 30 segundos. El evento, realizado en la capital brit\u00e1nica, reuni\u00f3 a miles de espectadores y consolid\u00f3 al atleta como el primer hombre en terminar un marat\u00f3n oficial...","magazineBlocksPostCategories":["Salud"],"magazineBlocksPostViewCount":21,"magazineBlocksPostReadTime":5,"magazine_blocks_featured_image_url":{"full":["https:\/\/lobosnews.com.ar\/wp-content\/uploads\/2026\/04\/por-que-los-corredores-keniatas-dominan-el-maraton-mundial-claves-biologicas-y-culturales-4-scaled.jpg",2560,1675,false],"medium":["https:\/\/lobosnews.com.ar\/wp-content\/uploads\/2026\/04\/por-que-los-corredores-keniatas-dominan-el-maraton-mundial-claves-biologicas-y-culturales-4-300x196.jpg",300,196,true],"thumbnail":["https:\/\/lobosnews.com.ar\/wp-content\/uploads\/2026\/04\/por-que-los-corredores-keniatas-dominan-el-maraton-mundial-claves-biologicas-y-culturales-4-150x150.jpg",150,150,true]},"magazine_blocks_author":{"display_name":"admin","author_link":"https:\/\/lobosnews.com.ar\/index.php\/author\/lobos-news\/"},"magazine_blocks_comment":0,"magazine_blocks_author_image":"https:\/\/secure.gravatar.com\/avatar\/76e419471a2083bc3ceab22a763dbbf9b0c1bd15a6214cf3280e2c2dde4580f9?s=96&d=mm&r=g","magazine_blocks_category":"<a href=\"#\" class=\"category-link category-link-81\">Salud<\/a>","yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Por qu\u00e9 los corredores keniatas dominan el marat\u00f3n mundial: claves biol\u00f3gicas y culturales - Lobos News<\/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:\/\/lobosnews.com.ar\/index.php\/2026\/04\/29\/por-que-los-corredores-keniatas-dominan-el-maraton-mundial-claves-biologicas-y-culturales\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Por qu\u00e9 los corredores keniatas dominan el marat\u00f3n mundial: claves biol\u00f3gicas y culturales - Lobos News\" \/>\n<meta property=\"og:description\" content=\"El domingo 26 de abril, Sebastian Sawe, atleta keniata de 28 a\u00f1os, bati\u00f3 el r\u00e9cord mundial al completar la marat\u00f3n de Londres en 1 hora, 59 minutos y 30 segundos. 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