Hi,
https://www.openstreetmap.org/way/1164341885 is probably a riding arena belonging to https://www.openstreetmap.org/node/10828850414 (Les Écuries d’Aphrodite). Riding arenas should be tagged leisure=pitch +  sport=equestrian, compare
https://wiki.openstreetmap.org/wiki/FR:Tag:leisure=horse_riding