{"id":3642,"date":"2025-12-07T19:10:12","date_gmt":"2025-12-07T19:10:12","guid":{"rendered":"https:\/\/infos-media-nantes.fr\/?p=3642"},"modified":"2025-12-07T19:10:12","modified_gmt":"2025-12-07T19:10:12","slug":"marathon-nantes-ponton-flottant-innovation-2025","status":"publish","type":"post","link":"https:\/\/infos-media-nantes.fr\/marathon-nantes-ponton-flottant-innovation-2025\/","title":{"rendered":"Marathon de Nantes : le ponton flottant sur l\u2019Erdre prim\u00e9 pour son innovation sportive"},"content":{"rendered":"\n<article id=\"imn-marathon-ponton-erdre\" style=\"font-family:'Inter',sans-serif;color:#222;line-height:1.6;max-width:1100px;margin:auto;padding:20px;\">\n\n<header>\n \n  <p>\n    Lors de la 2\u1d49 \u00e9dition du <strong>Grand Prix du sport business<\/strong>, un dispositif nantais a particuli\u00e8rement retenu l\u2019attention : la <strong>passerelle flottante install\u00e9e sur l\u2019Erdre<\/strong> pour le marathon 2025. Longue de 324 m\u00e8tres, elle avait permis aux coureurs de vivre un final spectaculaire \u00ab sur l\u2019eau \u00bb avant de franchir la ligne d\u2019arriv\u00e9e.  \n    Cette innovation, salu\u00e9e pour son audace technique et son impact visuel, sera reconduite lors de l\u2019\u00e9dition 2026 de l\u2019Abalone Marathon de Nantes.\n  <\/p>\n<\/header>\n\n<section>\n  <h2>Une prouesse technique install\u00e9e au c\u0153ur de l\u2019Erdre<\/h2>\n  <p>\n    Mise en place entre le centre nautique de la Joneli\u00e8re et le secteur de Port-Barbe, la passerelle flottante avait \u00e9t\u00e9 pens\u00e9e pour offrir aux participants une exp\u00e9rience unique. Les derniers m\u00e8tres, r\u00e9alis\u00e9s au ras de l\u2019eau, avaient cr\u00e9\u00e9 un effet spectaculaire aussi bien pour les coureurs que pour le public mass\u00e9 sur les berges.  \n    Fabriqu\u00e9 en modules articul\u00e9s, le ponton se d\u00e9ployait en douceur sur 324 m\u00e8tres et supportait sans difficult\u00e9 le passage continu des athl\u00e8tes.\n  <\/p>\n\n  <p>\n    La structure, con\u00e7ue avec des mat\u00e9riaux r\u00e9sistants et s\u00e9curis\u00e9s, avait \u00e9t\u00e9 test\u00e9e en conditions r\u00e9elles plusieurs semaines avant l\u2019\u00e9v\u00e9nement. Les ing\u00e9nieurs avaient d\u00fb anticiper les variations de niveau, les courants et la stabilit\u00e9 g\u00e9n\u00e9rale de l\u2019ensemble. R\u00e9sultat : un final devenu instantan\u00e9ment iconique dans l\u2019histoire du marathon nantais.\n  <\/p>\n<\/section>\n\n<section>\n  <h2>Une distinction nationale pour une innovation locale<\/h2>\n  <p>\n    Le <strong>Grand Prix du sport business<\/strong> r\u00e9compense chaque ann\u00e9e les initiatives qui transforment l\u2019exp\u00e9rience sportive, que ce soit pour les athl\u00e8tes, le public ou les organisateurs.  \n    En 2025, le dispositif nantais s\u2019\u00e9tait impos\u00e9 face \u00e0 une cinquantaine de projets issus de toute la France.  \n    Le jury avait salu\u00e9 une installation \u00ab spectaculaire, s\u00fbre, et parfaitement int\u00e9gr\u00e9e \u00e0 l\u2019environnement naturel de l\u2019Erdre \u00bb.\n  <\/p>\n\n  <p>\n    Pour les organisateurs, cette r\u00e9compense met en lumi\u00e8re l\u2019expertise nantaise en mati\u00e8re d\u2019\u00e9v\u00e9nementiel et d\u2019ing\u00e9nierie nautique. La passerelle sera de nouveau install\u00e9e en 2026, avec quelques ajustements logistiques pour am\u00e9liorer encore la fluidit\u00e9 du passage des coureurs.\n  <\/p>\n<\/section>\n\n<section>\n  <h2>Une exp\u00e9rience sportive devenue signature<\/h2>\n  <p>\n    Au-del\u00e0 de la performance athl\u00e9tique, le final sur l\u2019Erdre est devenu un v\u00e9ritable symbole de l\u2019\u00e9dition 2025. Nombre de coureurs ont salu\u00e9 un \u00ab moment suspendu \u00bb, presque irr\u00e9el, o\u00f9 l\u2019effort se m\u00ealait \u00e0 l\u2019\u00e9motion au-dessus du fleuve.  \n    L\u2019impact visuel et m\u00e9diatique a \u00e9t\u00e9 imm\u00e9diat : photos, vid\u00e9os, et partages sur les r\u00e9seaux sociaux ont largement contribu\u00e9 \u00e0 faire conna\u00eetre cette innovation bien au-del\u00e0 de la r\u00e9gion.\n  <\/p>\n<\/section>\n\n<!-- ----------------------------------------------------- -->\n<!-- MINI-JEU OFFICIEL : MEMORY IMN (version emoji \"Erdre\") -->\n<!-- ----------------------------------------------------- -->\n\n<section id=\"imn-memjpn\" style=\"margin-top:40px;\">\n  <h2>Mini-jeu : Memory sp\u00e9cial \u00ab ponton flottant \u00bb<\/h2>\n  <p>Retrouve les paires d\u2019emojis inspir\u00e9es du marathon et de la passerelle sur l\u2019Erdre !<\/p>\n\n  <div id=\"imn-memjpn-grid\"\n       style=\"display:grid;grid-template-columns:repeat(4,1fr);gap:12px;max-width:420px;margin:auto;\">\n  <\/div>\n\n  <p id=\"imn-memjpn-status\" style=\"text-align:center;font-weight:bold;color:#5532F0;margin-top:14px;\">\n    Paires trouv\u00e9es : 0 \/ 8\n  <\/p>\n\n  <style>\n    .imn-memjpn-card{\n      width:100%;height:90px;background:#f3f3ff;border-radius:10px;display:flex;\n      align-items:center;justify-content:center;font-size:38px;cursor:pointer;\n      user-select:none;transition:transform .25s;\n    }\n    .imn-memjpn-hidden{background:#dcdcff;}\n    .imn-memjpn-found{background:#5532F0;color:#fff;}\n  <\/style>\n\n  <script>\n  (function(){\n    window.imnTrack = window.imnTrack || function(e,d){\n      window.imnAnalytics = window.imnAnalytics || [];\n      window.imnAnalytics.push({event:e,data:d,ts:Date.now()});\n    };\n\n    const emojis = [\"\ud83c\udfc3\u200d\u2642\ufe0f\",\"\ud83c\udfc3\u200d\u2642\ufe0f\",\"\ud83d\udca7\",\"\ud83d\udca7\",\"\ud83d\udef6\",\"\ud83d\udef6\",\"\u2728\",\"\u2728\",\"\ud83d\udea9\",\"\ud83d\udea9\",\"\ud83c\udf09\",\"\ud83c\udf09\",\"\ud83d\udcf8\",\"\ud83d\udcf8\",\"\ud83c\udfc5\",\"\ud83c\udfc5\"];\n\n    function shuffle(a){\n      for(let i=a.length-1;i>0;i--){\n        const j=Math.floor(Math.random()*(i+1));\n        [a[i],a[j]]=[a[j],a[i]];\n      }\n      return a;\n    }\n\n    function initMemory(){\n      imnTrack(\"imn_memory_start\",{context:\"marathon_erdre\"});\n\n      const grid=document.getElementById(\"imn-memjpn-grid\");\n      const status=document.getElementById(\"imn-memjpn-status\");\n      grid.innerHTML=\"\";\n      let deck=shuffle([...emojis]);\n      let open=[], found=0;\n\n      deck.forEach((emoji,idx)=>{\n        const card=document.createElement(\"div\");\n        card.className=\"imn-memjpn-card imn-memjpn-hidden\";\n        card.dataset.index=idx;\n        card.dataset.emoji=emoji;\n        card.textContent=\"\";\n\n        card.onclick=function(){\n          if(card.classList.contains(\"imn-memjpn-found\") || open.includes(card)) return;\n          card.classList.remove(\"imn-memjpn-hidden\");\n          card.textContent=emoji;\n          open.push(card);\n\n          if(open.length===2){\n            const [a,b]=open;\n            if(a.dataset.emoji===b.dataset.emoji){\n              a.classList.add(\"imn-memjpn-found\");\n              b.classList.add(\"imn-memjpn-found\");\n              found++;\n              status.textContent=`Paires trouv\u00e9es : ${found} \/ 8`;\n              imnTrack(\"imn_memory_found\",{emoji:emoji});\n              open=[];\n              if(found===8){\n                imnTrack(\"imn_memory_complete\",\"marathon_erdre_done\");\n              }\n            } else {\n              setTimeout(()=>{\n                a.classList.add(\"imn-memjpn-hidden\");\n                b.classList.add(\"imn-memjpn-hidden\");\n                a.textContent=\"\";\n                b.textContent=\"\";\n                open=[];\n              },700);\n            }\n          }\n        };\n\n        grid.appendChild(card);\n      });\n    }\n\n    document.addEventListener(\"DOMContentLoaded\", initMemory);\n  })();\n  <\/script>\n<\/section>\n\n<footer>\n  <p style=\"margin-top:30px;font-size:14px;color:#555;\">\n    <strong>Sources :<\/strong> Ville de Nantes, Marathon de Nantes, Grand Prix du sport business.\n  <\/p>\n<\/footer>\n\n<\/article>\n\n","protected":false},"excerpt":{"rendered":"<p>Lors de la 2\u1d49 \u00e9dition du Grand Prix du sport business, un dispositif nantais a particuli\u00e8rement retenu l\u2019attention : la passerelle flottante install\u00e9e sur l\u2019Erdre pour le marathon 2025. Longue de 324 m\u00e8tres, elle avait permis aux coureurs de vivre un final spectaculaire \u00ab sur l\u2019eau \u00bb avant de franchir la ligne d\u2019arriv\u00e9e. Cette innovation, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":3643,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"content-type":"","footnotes":"","event_start_date":"","event_end_date":"","event_location":"","imn_event_city":"","imn_event_start_time":"","imn_event_end_time":"","imn_event_all_day":"","imn_event_address":"","imn_event_ticket_url":"","imn_event_price":"","imn_event_status":"","imn_event_organizer":"","imn_event_accessibility":""},"categories":[22],"tags":[2432,457,68,73,1318,5,2431,16],"class_list":["post-3642","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualites-nantes","tag-abalone-marathon","tag-erdre","tag-evenement","tag-innovation","tag-marathon","tag-nantes","tag-ponton-flottant","tag-sport"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Marathon de Nantes : le ponton flottant sur l\u2019Erdre prim\u00e9 pour son innovation sportive - Infos M\u00e9dia Nantes, infos locales, \u00e9v\u00e9nements et actualit\u00e9 utiles \u00e0 Nantes et ses alentours<\/title>\n<meta name=\"description\" content=\"Le ponton flottant du marathon de Nantes, prim\u00e9 au Grand Prix du sport business, sera r\u00e9install\u00e9 en 2026. 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