Road running

Semi- Marathon et 10 Km de Bois-Guillaume

2026 edition over

18 October 2026 · Bois Guillaume (Seine-Maritime)

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

The races

09:3010km - 10 Km Route10 km
09:50Semi-marathon - 1/2 Marathon21.1 km

Organizer

Service des sports de Bois-Guillaume

Race website

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How to prepare for a half marathon

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“A little fast, ease off slightly.”

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