{"as_of":"2026-10-15","attribution":"Businesses: City and County of San Francisco, Registered Business Locations (ODC PDDL). Websites, phones and storefront positions: Overture Maps Foundation places, release 2026-09-23.1 (CDLA-Permissive-2.0).","place":{"area":"sf","id":"1367954-08-241-1155933","name":"X-Core SF","category":"Arts \u0026 recreation","kind":"fitness studio","lat":37.7965,"lng":-122.42226,"address":"2139 Polk St","website":"http://www.xcorestudio.com/polk-buy","neighborhood":"Russian Hill","url":"/places/sf/1367954-08-241-1155933"}}