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La Diagonale des Yvelines

Running · Breuil-Bois-Robert, France · Saturday, April 3, 2027

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About this event

Craving an adventure that smells of forest and trails? The Diagonale des Yvelines at Breuil-Bois-Robert invites you to traverse Yvelines through woodlands, tree-lined paths, and views of heritage, with 23, 50, 80, or 103 km to choose from. After the effort, extend the experience around the castles and the banks of the Seine, for a marathon story ready to tell.

If you want an adventure that smells like the forest, the paths and the castles, La Diagonale des Yvelines in Breuil-Bois-Robert ticks all the boxes 🌲.

Here, you come to cross the Yvelines along wooded paths, paving trails under your feet, and hidden heritage gems that pop up when you least expect it 🏰.

You choose your diagonal: 23 km for a treat and ending with a smile, 50 km to feel like you’re really “setting off on a trip,” 80 km for a big escape, or 103 km to tell a real story on the return 🧭.

And after the effort, stay in the area: head to Mantes-la-Jolie for a stroll along the Seine, take a detour to the Château de Thoiry (perfect for couples or family), or aim for Versailles if you want to extend the “castles” theme on a grand scale. If you prefer simple and efficient, sit on a terrace nearby and replay your race without rushing ☕️.

Options & prices

(5)

Trail 103 km(103 km)

Trail 80 km(80 km)

Trail 50 km(50 km)

Trail 23 km(23 km)

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

When

On Saturday, April 3, 2027

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Questions about this event

Answers to your questions

La Diagonale des Yvelines is a running event in Breuil-Bois-Robert over 42.2 km and 103 km, taking place on Saturday, April 3, 2027. Find all the practical details — location, schedule and prices — directly on this page.

La Diagonale des Yvelines offers several distances to choose from: 42.2 km and 103 km. Check the exact course details with the organiser, especially when several formats take place on the same day.

La Diagonale des Yvelines takes place at Breuil-Bois-Robert, Breuil-Bois-Robert. You will find its exact location and links to Google Maps and Waze further down this page.

La Diagonale des Yvelines takes place on Saturday, April 3, 2027. Check the exact schedule with the organiser, as times may vary by category or format.

La Diagonale des Yvelines 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 La Diagonale des Yvelines. 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 La Diagonale des Yvelines comfortably, plan training suited to running, wear appropriate clothing and bring any equipment recommended by the organiser.

La Diagonale des Yvelines 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 La Diagonale des Yvelines is available higher up on this page and is updated as the event approaches.

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Where the event takes place

Breuil-Bois-Robert, 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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