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The Trail de la Grand Pierre is a nature trail event based in Marolles, in the Loir-et-Cher department of central France. Two courses are on offer, a 17 km and a 10 km Course Nature, both run on the paths and tracks around the village. The 2027 edition is scheduled for Sunday 11 April, with entries handled online through ProTiming and opening in the weeks before race day. Course details, start times and entry fees will be published as the date approaches.
Online entry handled by ProTiming with immediate bib confirmation
Online assistance before the race
Other questions
Registration is not open yet. The event page states that entries will open soon, so keep an eye on the ProTiming event page or the organiser's Facebook page for the official announcement.
There are two Course Nature races, one of 17 km and one of 10 km, both run as nature trails around Marolles.
Yes. ProTiming offers a simplified group and club entry process directly from the event page.
The event page has a volunteer link, labelled 'Envie d'être bénévole ?', which lets you send your request straight to the organising team.
ProTiming issues an immediate bib confirmation once payment is complete, and you can check your entry at any time through the 'Consulter mon dossier' link on the event page.
Entry fee not listed
Check the race's registration page for pricing.Marolles, France
Sunday, April 11, 2027
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