The Semi Marathon de Ploërmel Communauté is a road half marathon held in mid-February, starting in Ploërmel, Morbihan, Brittany. The primary race is the standard 21.0975 km distance, run as a single loop, attracting close to 1,500 participants with a community focus and charitable aspect.
The course combines running between towns with sections through the Morbihan countryside, utilizing winding roads connecting small Breton villages and passing near local points of interest. It offers an endurance challenge while maintaining a local race atmosphere, with residents from Ploërmel and surrounding areas present along the route to support the runners.