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Defi de Fort l'Écluse

Running · Léaz, France · Sunday, October 18, 2026

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Toutes les courses

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Sport

running

Running

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About this event

Challenge Fort l'Écluse with 12 km and 19 km trails in Léaz, testing your endurance on steep slopes and tough terrain. After the effort, explore the Auvergne-Rhône-Alpes region, about an hour's drive away, and discover the Château de Voltaire in Ferney-Voltaire, the Parc naturel régional du Haut-Jura, the Musée d’art moderne et contemporain de Genève, and Vitam’Ludic for the younger ones.

Take a breath for the Fort de l'Écluse Defi at Léaz! 🏃‍♀️ It’s more than a run, it’s an authentic adventure through trails of 12 km and 19 km.

Put on your running shoes and prove you have what it takes to conquer the fort! 💪 This race will push your endurance over long distances, your ability to climb steep slopes, and your skill in navigating tough terrain.

And that’s not all! After the race, you can explore the stunning region of Auvergne-Rhône-Alpes 🌲🌳🌄. Just an hour’s drive from Léaz, you’ll find a plethora of activities to enjoy:

So, are you ready to take on the challenge? Lace up your sneakers and come fill up on adrenaline and unforgettable memories! See you very soon on the starting line! 🏁

Options & prices

(2)

Trail 19 km(19 km)

Trail 12 km(12 km)

Prices are provided for information only — check the exact terms with the event organiser.

When

On Sunday, October 18, 2026

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October 2026

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Questions about this event

Answers to your questions

Defi de Fort l'Écluse is a running event in Léaz over 12 km and 19 km, taking place on Sunday, October 18, 2026. Find all the practical details — location, schedule and prices — directly on this page.

Defi de Fort l'Écluse offers several distances to choose from: 12 km and 19 km. Check the exact course details with the organiser, especially when several formats take place on the same day.

Defi de Fort l'Écluse takes place at Léaz. You will find its exact location and links to Google Maps and Waze further down this page.

Defi de Fort l'Écluse takes place on Sunday, October 18, 2026. Check the exact schedule with the organiser, as times may vary by category or format.

Defi de Fort l'Écluse is free to enter, with no participation fee expected. This information may change, so check it with the organiser.

No participant limit has been provided for Defi de Fort l'Écluse. The number registered through Goya is visible on this page, but this information may change. If in doubt, contact the organiser.

To take part in Defi de Fort l'Écluse comfortably, plan training suited to running, wear appropriate clothing and bring any equipment recommended by the organiser.

Defi de Fort l'Écluse is organised by Toutes les courses. For questions about the rules, access or accommodation, contact the organiser directly.

The weather forecast for the location and date of Defi de Fort l'Écluse is available higher up on this page and is updated as the event approaches.

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Where the event takes place

Léaz, France

This event page is provided for informational purposes only to help users discover sporting events. Goya is not affiliated with, endorsed by, or sponsored by the organiser of this event or any associated brands unless explicitly stated otherwise. The information displayed is compiled from publicly available sources and may change at any time. Goya does not use any official logos, protected images, or other proprietary content belonging to the event organiser unless expressly authorised. Any names or trademarks mentioned are used solely for descriptive purposes to identify the event. For the most accurate and up-to-date information, including event details, rules, registration, entry fees, and official announcements, please visit the event’s official website.

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