# Orsières-Champex-Chamonix

> 57 km ultramarathon trail race in Val d'Entremont

**Wikidata**: [Q116445869](https://www.wikidata.org/wiki/Q116445869)  
**Source**: https://4ort.xyz/entity/orsi-res-champex-chamonix


## References

1. [Source](http://www.ultratrailmb.com/page/217/OCC.html)
2. [Source](https://www.toutletrail.com/occ-mont-blanc/)
3. [Source](http://www.ultratrailmb.com/page/1/L_evenement.html)
4. [Source](https://montblanc.utmb.world/fr/races-runners/races/occ)
5. [Source](https://montblanc.utmb.world/races/OCC)