Road and trail running

Defi Nature de Clayes

2026 edition over

25 October 2026 · Clayes (Ille-et-Vilaine)

The next edition hasn't been published on the federation calendar yet.

The races

09:00Défi nature de clayes - Epreuve en durée non officielle4 km30 m D+

Organizer

semi de Saint Gilles

Race website

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How to prepare for a 10 km

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“A little fast, ease off slightly.”

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Other upcoming races · Ille-et-Vilaine

Halloween Run 30 October 2026 · Plesder
La Belle d'Orgères 31 October – 1 November 2026 · Orgères
Ekiden de Bretagne 1 November 2026 · Saint-Malo
Biathlon de L'oust 8 November 2026 · Bains sur Oust
Trail des Chataignes 8 November 2026 · La Baussaine

All races in Ille-et-Vilaine

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