
Organization of running events, including marathons, half-marathons, and 10 km races, with varied routes and festive experiences highlighting the heritage of Nantes.
B
CSR Analysis score
The organization is among the top 20% of most committed organizations, excluding the top 5%, among comparable organizations.
+160,000
Total organizations analyzedAnalysis by axis
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Methodology: Score calculated according to 6 CSR themes (Carbon, Biodiversity, Circular Economy, Sustainable Investments, Governance, Social Impact)
Sources: Public data, CSR reports, documented initiatives, official databases
Last update: June 2026
This analysis is not yet available in English. Please see the French version.
Leading organizations
Marathon Côte d'Amour Amarris
B
Organization of running events, including marathons, half-marathons, 10 km, 5 km, and children's races, set in scenic and historic locations.
Tiken-Trail
A
Organization of trail running events in Brittany, with various routes ranging from 8 km to 50 km.
L'Ultra Marin
B
Organizing trail running events around the Gulf of Morbihan, offering 8 races of varying distances (12km to 175km) for solo or team participants.
Initiatives identified among leaders
Collecte annuelle de vêtements pour redistribution solidaire
“Collecte annuelle de vêtements de sport usagés pou...” - Tiken-TrailPromotion du covoiturage et gestion des parkings pour réduire impacts.
“L'organisation encourage les déplacements collecti...” - L'Ultra MarinVersement de 10 500 € à des associations locales et soutien à un projet pédagogique.
“Lors de l’édition 2024, Tiken-Trail a reversé 10 5...” - Tiken-Trail64% of similar organizations communicate on CSR issues
+181 initiatives collected from 50 similar organizations
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