Hi,
https://www.openstreetmap.org/way/1426455780 is not a horseback riding center (leisure=horse_riding), it is an outdoor riding arena similar to https://www.openstreetmap.org/way/1168359119 (leisure=pitch + sport=equestrian). See also https://wiki.openstreetmap.org/wiki/How_to_map_a#Riding_centre_(equestrian)