Where was Pumping Iron filmed?

1977 docudrama about the world of bodybuilding directed by George Butler

Pumping Iron (1977) was filmed in New York City, Los Angeles, San Francisco, Pretoria, Venice, Muscle Beach and 1 more place, 7 places named in its Wikipedia article, in the United States, South Africa. Wikidata records no filming location for it at all, so the article is the only recorded source. Each place says where its claim comes from.

See them on the map → Wikipedia Source data