
Organization of trail running events in Brittany, with various routes ranging from 8 km to 50 km.
A
CSR Analysis score
The organization is among the top 5% of organizations with the most committed CSR positioning, among comparable organizations.
+250,000
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: September 2026
This analysis is not yet available in English. Please see the French version.
Leading organizations
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.
Marathon de Nantes
B
Organization of running events, including marathons, half-marathons, and 10 km races, with varied routes and festive experiences highlighting the heritage of Nantes.
Brest Urban Trail
B
Organizing an annual urban trail running event in Brest, promoting accessibility, inclusivity, and sustainability.
Initiatives identified among leaders
Promotion de l’inclusion et de la solidarité via le sport et des projets associatifs
“Le fonds de dotation L'Ultra Marin Horizons promeu...” - L'Ultra MarinNettoyage et préservation des sites après les courses pour éviter les dégradations.
“Le Marathon de Nantes s’engage à préserver les sit...” - Marathon de NantesFinancement d’une association de nettoyage et sensibilisation aux déchets littoraux
“L’association Les Mains Dans Le Sable, bénéficiair...” - L'Ultra Marin76% of similar organizations communicate on CSR issues
+212 initiatives collected from 50 similar organizations
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