{"id":19709,"date":"2026-05-20T11:00:25","date_gmt":"2026-05-20T09:00:25","guid":{"rendered":"https:\/\/trailrunadvisor.com\/la-diagonale-des-yvelines-la-diag-78\/"},"modified":"2026-06-09T15:39:11","modified_gmt":"2026-06-09T13:39:11","slug":"la-diagonale-des-yvelines-la-diag-78","status":"publish","type":"post","link":"https:\/\/trailrunadvisor.com\/fr\/la-diagonale-des-yvelines-la-diag-78\/","title":{"rendered":"La Diagonale des Yvelines (La Diag 78)"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"19709\" class=\"elementor elementor-19709 elementor-19426\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0134ae5 e-flex e-con-boxed e-con e-parent\" data-id=\"0134ae5\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ecf20ba elementor-widget elementor-widget-image\" data-id=\"ecf20ba\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"1094\" height=\"729\" src=\"https:\/\/trailrunadvisor.com\/wp-content\/uploads\/2026\/05\/494984702_1362624928789431_4693291493068194872_n.jpg\" class=\"attachment-full size-full wp-image-19409 not-transparent\" alt=\"Diagonale des Yvelines\" srcset=\"https:\/\/trailrunadvisor.com\/wp-content\/uploads\/2026\/05\/494984702_1362624928789431_4693291493068194872_n.jpg 1094w, https:\/\/trailrunadvisor.com\/wp-content\/uploads\/2026\/05\/494984702_1362624928789431_4693291493068194872_n-300x200.jpg 300w, https:\/\/trailrunadvisor.com\/wp-content\/uploads\/2026\/05\/494984702_1362624928789431_4693291493068194872_n-1024x682.jpg 1024w, https:\/\/trailrunadvisor.com\/wp-content\/uploads\/2026\/05\/494984702_1362624928789431_4693291493068194872_n-768x512.jpg 768w\" sizes=\"(max-width: 1094px) 100vw, 1094px\" data-has-transparency=\"false\" data-dominant-color=\"59595c\" style=\"--dominant-color: #59595c\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-f7b9add e-con-full e-flex e-con e-child\" data-id=\"f7b9add\" data-element_type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-d4e8613 e-con-full e-flex e-con e-child\" data-id=\"d4e8613\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-323388c elementor-widget elementor-widget-theme-post-title elementor-page-title elementor-widget-heading\" data-id=\"323388c\" data-element_type=\"widget\" data-widget_type=\"theme-post-title.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">La Diagonale des Yvelines (La Diag 78)<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4a96dbd elementor-view-default elementor-widget elementor-widget-icon\" data-id=\"4a96dbd\" data-element_type=\"widget\" data-widget_type=\"icon.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon-wrapper\">\n\t\t\t<div class=\"elementor-icon\">\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" id=\"flag-icons-re\" viewBox=\"0 0 512 512\"><g fill-rule=\"evenodd\" stroke-width=\"1pt\"><path fill=\"#fff\" d=\"M0 0h512v512H0z\"><\/path><path fill=\"#00267f\" d=\"M0 0h170.7v512H0z\"><\/path><path fill=\"#f31830\" d=\"M341.3 0H512v512H341.3z\"><\/path><\/g><\/svg>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4329d3c elementor-align-center elementor-widget elementor-widget-post-info\" data-id=\"4329d3c\" data-element_type=\"widget\" data-widget_type=\"post-info.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-inline-items elementor-icon-list-items elementor-post-info\">\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-repeater-item-2adc81a elementor-inline-item\" itemprop=\"datePublished\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text elementor-post-info__item elementor-post-info__item--type-date\">\n\t\t\t\t\t\t\t\t\t\t<time>mai 20, 2026<\/time>\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-c68f92a e-con-full e-flex e-con e-child\" data-id=\"c68f92a\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-417d810 elementor-widget elementor-widget-text-editor\" data-id=\"417d810\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"186\" data-end=\"327\"><b>Lieu :<\/b><span style=\"font-weight: 400;\"> Rochefort-en-Yvelines<\/span><span style=\"font-weight: 400;\"><br\/><\/span><b>Distances :<\/b><span style=\"font-weight: 400;\"> jusqu&#8217;\u00e0 105 km<\/span><span style=\"font-weight: 400;\"><br\/><\/span><b>Gain d&#8217;altitude :<\/b><span style=\"font-weight: 400;\"> jusqu&#8217;\u00e0 1 500 m<\/span><span style=\"font-weight: 400;\"><br\/><\/span><b>Mois :<\/b><span style=\"font-weight: 400;\"> avril<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f62edd5 elementor-widget elementor-widget-image\" data-id=\"f62edd5\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/trailrunadvisor.com\/fr\/les-courses-les-mieux-notees\/\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/trailrunadvisor.com\/wp-content\/uploads\/2026\/04\/Top-Rated-Race-badge-150x150.png\" class=\"attachment-thumbnail size-thumbnail wp-image-18475 has-transparency\" alt=\"\" data-has-transparency=\"true\" data-dominant-color=\"2fcb92\" style=\"--dominant-color: #2fcb92\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4238004 elementor-widget elementor-widget-text-editor\" data-id=\"4238004\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"386\" data-end=\"566\"><span style=\"font-weight: 400;\">\u2b50<\/span><span style=\"font-weight: 400;\"> &#8220;C&#8217;est vraiment une course o\u00f9 l&#8217;on vit beaucoup de choses, gr\u00e2ce \u00e0 la fois \u00e0 l&#8217;organisation et aux b\u00e9n\u00e9voles incroyablement d\u00e9vou\u00e9s qui soutiennent chaque coureur.&#8221;<\/span><span style=\"font-weight: 400;\"><br><\/span><span style=\"font-weight: 400;\">\u2b50<\/span><span style=\"font-weight: 400;\"> &#8220;D\u00e8s le d\u00e9part, l&#8217;accueil chaleureux vous fait presque oublier que vous vous appr\u00eatez \u00e0 punir volontairement vos quadriceps.&#8221;<\/span><span style=\"font-weight: 400;\"><br><\/span><span style=\"font-weight: 400;\">\u2b50<\/span><span style=\"font-weight: 400;\"> &#8220;Marquage pr\u00e9cis du parcours &#8211; impossible de se perdre. Des postes de ravitaillement g\u00e9n\u00e9reux et d\u00e9licieux. Une ambiance festive et \u00e9nergique.&#8221;<\/span><span style=\"font-weight: 400;\"><br><\/span><span style=\"font-weight: 400;\">\u2b50<\/span><span style=\"font-weight: 400;\"> &#8220;Un sentier comme je les aime &#8211; profiter d&#8217;une nature magnifique tout en se d\u00e9passant.&#8221;<\/span><span style=\"font-weight: 400;\"><br><\/span><span style=\"font-weight: 400;\">\u2b50<\/span><span style=\"font-weight: 400;\"> &#8220;Une course vraiment magnifique&#8230; MAGNIFIQUE, du pur bonheur.&#8221;<\/span><span style=\"font-weight: 400;\"><br><\/span><span style=\"font-weight: 400;\">\u2b50<\/span><span style=\"font-weight: 400;\"> &#8220;Excellente organisation (parking, navettes, briefings&#8230;), avec des b\u00e9n\u00e9voles remarquables tout au long du parcours.&#8221;<\/span><span style=\"font-weight: 400;\"><br><\/span><span style=\"font-weight: 400;\">\u2b50<\/span><span style=\"font-weight: 400;\"> &#8220;Quelle ambiance gr\u00e2ce aux b\u00e9n\u00e9voles et aux supporters ! !! J&#8217;ai \u00e9t\u00e9 v\u00e9ritablement \u00e9mu \u00e0 plusieurs reprises en les croisant.&#8221;<\/span><span style=\"font-weight: 400;\"><br><\/span><span style=\"font-weight: 400;\">\u2b50<\/span><span style=\"font-weight: 400;\"> &#8220;Une course incroyable du d\u00e9but \u00e0 la fin&#8230; tout \u00e9tait absolument parfait&#8221;.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1733f25 elementor-widget elementor-widget-heading\" data-id=\"1733f25\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Description de la course\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-120675b elementor-widget elementor-widget-text-editor\" data-id=\"120675b\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><a href=\"https:\/\/trailrunadvisor.com\/races\/diagonale-des-yvelines\/\"><span style=\"font-weight: 400;\">La Diagonale des Yvelines<\/span><\/a><span style=\"font-weight: 400;\"> vous propose une travers\u00e9e unique des Yvelines du nord au sud, au c\u0153ur d&#8217;un environnement naturel exceptionnel aux portes de Paris.<\/span><\/p><p><span style=\"font-weight: 400;\">Avec 5 formats de course et des d\u00e9parts de plusieurs lieux embl\u00e9matiques (Breuil-Bois-Robert, Ch\u00e2teau de B\u00e9houst, \u00c9tangs de Hollande, Rochefort-en-Yvelines), tous les parcours convergent vers une ligne d&#8217;arriv\u00e9e unique \u00e0 Rochefort-en-Yvelines.<\/span><\/p><p><span style=\"font-weight: 400;\">Entre for\u00eats profondes, sentiers techniques, paysages pr\u00e9serv\u00e9s et patrimoine local, <a href=\"https:\/\/ladiag78.fr\/\" target=\"_blank\" rel=\"noopener\">Diag 78<\/a> vous propose une v\u00e9ritable immersion dans la nature, \u00e0 quelques kilom\u00e8tres de la capitale.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ed0a011 elementor-widget elementor-widget-heading\" data-id=\"ed0a011\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Pourquoi cette course est incontournable\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c99f967 elementor-widget elementor-widget-text-editor\" data-id=\"c99f967\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><a href=\"https:\/\/trailrunadvisor.com\/races\/diagonale-des-yvelines\/\"><span style=\"font-weight: 400;\">La Diagonale des Yvelines<\/span><\/a><span style=\"font-weight: 400;\"> se distingue par :<\/span><\/p><ul><li><span style=\"font-weight: 400;\">  un vrai parcours nature pr\u00e8s de Paris, rare si pr\u00e8s de la ville<\/span><span style=\"font-weight: 400;\"><br><\/span><span style=\"font-weight: 400;\">&#8211; une exp\u00e9rience immersive et sc\u00e9nique \u00e0 moins de 40 km de la capitale<\/span><span style=\"font-weight: 400;\"><br><\/span><span style=\"font-weight: 400;\">&#8211; une organisation de qualit\u00e9 (balisage, logistique, postes de secours)<\/span><span style=\"font-weight: 400;\"><br><\/span><span style=\"font-weight: 400;\">&#8211; une atmosph\u00e8re unique anim\u00e9e par des b\u00e9n\u00e9voles passionn\u00e9s<\/span><span style=\"font-weight: 400;\"><br><\/span><span style=\"font-weight: 400;\">&#8211; un \u00e9v\u00e9nement \u00e0 taille humaine, permettant une r\u00e9elle proximit\u00e9 avec les coureurs<\/span><span style=\"font-weight: 400;\"><br><\/span><span style=\"font-weight: 400;\">&#8211; un large \u00e9ventail de distances, accessibles \u00e0 tous les niveaux<\/span><\/li><\/ul><p><span style=\"font-weight: 400;\">Une course qui capture parfaitement l&#8217;esprit du trail running : authenticit\u00e9, communaut\u00e9 et connexion avec la nature &#8211; sans avoir \u00e0 voyager loin.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-dfb8c6d elementor-widget elementor-widget-heading\" data-id=\"dfb8c6d\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">D\u00e9couvrez-en plus :\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ef6a763 elementor-widget elementor-widget-text-editor\" data-id=\"ef6a763\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">\ud83d\udc49<\/span><span style=\"font-weight: 400;\"> Lire l&#8217;int\u00e9gralit\u00e9 de l&#8217;entretien avec les organisateurs<\/span><span style=\"font-weight: 400;\"><br\/><\/span><span style=\"font-weight: 400;\">\ud83d\udc49<\/span> <a href=\"https:\/\/trailrunadvisor.com\/races\/diagonale-des-yvelines\/\"><span style=\"font-weight: 400;\">D\u00e9couvrez tous les commentaires des coureurs<\/span><\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5dec6bf elementor-author-box--avatar-yes elementor-author-box--name-yes elementor-author-box--biography-yes elementor-author-box--link-no elementor-widget elementor-widget-author-box\" data-id=\"5dec6bf\" data-element_type=\"widget\" data-widget_type=\"author-box.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-author-box\">\n\t\t\t\t\t\t\t<a href=\"https:\/\/trailrunadvisor.com\/lucian\/\" target=\"_blank\" class=\"elementor-author-box__avatar\">\n\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/trailrunadvisor.com\/wp-content\/uploads\/2025\/06\/cropped-Lucian-300x300.jpg\" alt=\"Image de Lucian\" loading=\"lazy\">\n\t\t\t\t<\/a>\n\t\t\t\n\t\t\t<div class=\"elementor-author-box__text\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/trailrunadvisor.com\/lucian\/\" target=\"_blank\">\n\t\t\t\t\t\t<h4 class=\"elementor-author-box__name\">\n\t\t\t\t\t\t\tLucian\t\t\t\t\t\t<\/h4>\n\t\t\t\t\t<\/a>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-author-box__bio\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Lieu : Rochefort-en-YvelinesDistances : jusqu&#8217;\u00e0 105 kmGain d&#8217;altitude : jusqu&#8217;\u00e0 1 500 mMois : avril \u2b50 &#8220;C&#8217;est vraiment une course o\u00f9 l&#8217;on vit beaucoup de choses, gr\u00e2ce \u00e0 la fois \u00e0 l&#8217;organisation et aux b\u00e9n\u00e9voles incroyablement d\u00e9vou\u00e9s qui soutiennent chaque coureur.&#8221;\u2b50 &#8220;D\u00e8s le d\u00e9part, l&#8217;accueil chaleureux vous fait presque oublier que vous vous appr\u00eatez \u00e0 [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"category":[185],"tag":[],"class_list":["post-19709","post","type-post","status-publish","format-standard","hentry","categories-top-rated-race"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>La Diagonale des Yvelines : sentier le mieux not\u00e9 pr\u00e8s de Paris<\/title>\n<meta name=\"description\" content=\"D\u00e9couvrez La Diagonale des Yvelines, une course de trail de premier plan pr\u00e8s de Paris avec des parcours allant jusqu&#039;\u00e0 105 km, des terrains techniques, une organisation solide et une ambiance de b\u00e9n\u00e9volat inoubliable.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/trailrunadvisor.com\/fr\/la-diagonale-des-yvelines-la-diag-78\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"La Diagonale des Yvelines : sentier le mieux not\u00e9 pr\u00e8s de Paris\" \/>\n<meta property=\"og:description\" content=\"D\u00e9couvrez La Diagonale des Yvelines, une course de trail de premier plan pr\u00e8s de Paris avec des parcours allant jusqu&#039;\u00e0 105 km, des terrains techniques, une organisation solide 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