{"id":56475,"date":"2026-06-21T14:36:09","date_gmt":"2026-06-21T12:36:09","guid":{"rendered":"https:\/\/thepostrace.com\/?post_type=gpx&#038;p=56475"},"modified":"2026-06-21T16:23:59","modified_gmt":"2026-06-21T14:23:59","slug":"marathon-du-mont-blanc-2026-course-in-gpx-kilometre-by-kilometre-analysis","status":"publish","type":"gpx","link":"https:\/\/thepostrace.com\/en\/blog\/gpx\/marathon-du-mont-blanc-2026-course-in-gpx-kilometre-by-kilometre-analysis\/","title":{"rendered":"Marathon du Mont-Blanc 2026 Course in GPX &#8211; Kilometre by Kilometre Analysis"},"content":{"rendered":"<p>On <strong>Sunday 28 June 2026<\/strong>, the elite women set off at <strong>6:45am<\/strong> and the main field at <strong>7:15am<\/strong> from the <strong>Place du Triangle de l&#8217;Amiti\u00e9 in Chamonix<\/strong> for one of the most iconic trail races in the world: the <strong>42km du Marathon du Mont-Blanc<\/strong>. <strong>42 km and 2,540 m of elevation gain<\/strong> in a loop, through the Chamonix valley and along the ridges of the <strong>Aiguilles Rouges Nature Reserve<\/strong> \u2014 facing the roof of Europe. A <strong>Golden Trail World Series<\/strong> race, the 42km is the flagship event of the Marathon du Mont-Blanc weekend, with the world&#8217;s best trail runners expected to cross the finish from <strong>10:45am<\/strong>, in a setting nobody ever forgets. The route heads up the Chamonix valley toward Argenti\u00e8re, climbs to the <strong>T\u00eate du Prapator<\/strong> and the <strong>Petit Balcon Nord<\/strong>, pushes up to the <strong>Aiguillette des Posettes<\/strong> (~2,100 m) \u2014 the main difficulty of the race \u2014 before turning around just before the Swiss border and descending back to Chamonix. The course map and elevation profile are available below.<\/p>\n<ul>\n<li>\ud83d\udccf Official distance: 42 km \u2014 Loop, start and finish at Place du Triangle de l&#8217;Amiti\u00e9, Chamonix<\/li>\n<li>\u26f0\ufe0f Elevation gain: 2,540 m \u2014 100% alpine terrain, frequently between 1,500 m and 2,100 m<\/li>\n<li>\ud83c\udfc6 Golden Trail World Series 2026 race<\/li>\n<li>\ud83c\udf3f Eco-commitment: 40% of entries reserved for participants arriving by train or bus<\/li>\n<\/ul>\n<h2>Key Information \u2014 Marathon du Mont-Blanc 42km 2026<\/h2>\n<p>The Marathon du Mont-Blanc, created in 2003 by the Club des Sports de Chamonix, has become in two decades one of the most watched and most coveted trail events on the global calendar. It brings together around <strong>10,000 runners across all formats<\/strong> (92 km, 42 km, 23 km Cross, 10 km, KM Vertical, Duo \u00c9toil\u00e9, Young Race, MiniCross) from over 80 countries. The major innovation for 2026: following a study showing that 96% of the event&#8217;s carbon footprint comes from participant travel, the organisation introduces an eco-commitment system. <strong>40% of main-distance entries are reserved for participants arriving by train or bus<\/strong> \u2014 a world first in trail running.<\/p>\n<table>\n<thead>\n<tr>\n<th>Parameter<\/th>\n<th>Value<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Date<\/td>\n<td>Sunday 28 June 2026<\/td>\n<\/tr>\n<tr>\n<td>Elite women&#8217;s start<\/td>\n<td>6:45am \u2014 Place du Triangle de l&#8217;Amiti\u00e9, Chamonix<\/td>\n<\/tr>\n<tr>\n<td>Main field start<\/td>\n<td>7:15am \u2014 Place du Triangle de l&#8217;Amiti\u00e9, Chamonix<\/td>\n<\/tr>\n<tr>\n<td>Finish<\/td>\n<td>Place du Triangle de l&#8217;Amiti\u00e9, Chamonix (loop)<\/td>\n<\/tr>\n<tr>\n<td>Distance<\/td>\n<td>42 km<\/td>\n<\/tr>\n<tr>\n<td>Elevation gain<\/td>\n<td>2,540 m D+<\/td>\n<\/tr>\n<tr>\n<td>Maximum altitude<\/td>\n<td>~2,100 m (Aiguillette des Posettes)<\/td>\n<\/tr>\n<tr>\n<td>Race series<\/td>\n<td>Golden Trail World Series 2026<\/td>\n<\/tr>\n<tr>\n<td>Semi-autonomous<\/td>\n<td>Yes \u2014 strict mandatory kit (high mountain)<\/td>\n<\/tr>\n<tr>\n<td>First finishers<\/td>\n<td>~10:45am<\/td>\n<\/tr>\n<tr>\n<td>Prize giving<\/td>\n<td>5:00pm, Place du Triangle de l&#8217;Amiti\u00e9<\/td>\n<\/tr>\n<tr>\n<td>Bib collection<\/td>\n<td>Saturday 27 June, 9am\u20139pm, EMC2 space, Place du Mont-Blanc \u2014 by appointment only<\/td>\n<\/tr>\n<tr>\n<td>Eco-travel<\/td>\n<td>40% of entries reserved for train\/bus arrivals<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>The Route and Profile of the Marathon du Mont-Blanc 42km<\/h2>\n<p>The course forms a <strong>closed loop<\/strong> starting and finishing at the Place du Triangle de l&#8217;Amiti\u00e9 in Chamonix. The logic is an out-and-back into the north-east of the valley: up toward Argenti\u00e8re on the valley floor, onto the heights of the Aiguilles Rouges, reaching the Aiguillette des Posettes, then returning along the same ridges. The 42km route follows the 90km course as far as the Aiguillette des Posettes \u2014 where the 90km continues into Switzerland and the 42km turns back. <strong>The entire course is on natural trails<\/strong> \u2014 mountain hiking paths, woodland tracks, panoramic balcony paths, rocky terrain and sections with potential residual snow in June at altitude. No tarmac, no road. The course map and elevation profile are available below.<\/p>\n","protected":false},"featured_media":53718,"template":"","meta":{"_acf_changed":true,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}}},"categories":[183,338],"class_list":["post-56475","gpx","type-gpx","status-publish","has-post-thumbnail","hentry","category-course","category-trail"],"acf":[],"_links":{"self":[{"href":"https:\/\/thepostrace.com\/en\/wp-json\/wp\/v2\/gpx\/56475","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/thepostrace.com\/en\/wp-json\/wp\/v2\/gpx"}],"about":[{"href":"https:\/\/thepostrace.com\/en\/wp-json\/wp\/v2\/types\/gpx"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/thepostrace.com\/en\/wp-json\/wp\/v2\/media\/53718"}],"wp:attachment":[{"href":"https:\/\/thepostrace.com\/en\/wp-json\/wp\/v2\/media?parent=56475"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/thepostrace.com\/en\/wp-json\/wp\/v2\/categories?post=56475"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}