Hi,
https://www.openstreetmap.org/way/1364865247 does not look like a horse riding centre, it looks more like a horse riding arena. In OSM horse riding arenas are usually tagged leisure=pitch + sport=equestrian, like here: https://www.openstreetmap.org/way/1069062624
See also: https://wiki.openstreetmap.org/wiki/Tag:leisure=horse_riding