How many times have San Diego US have been a candidate for the Olympics?

San Diego has officially submitted bids to host the Olympics twice. The city first bid for the 1984 Summer Olympics, which it ultimately did not host, as Los Angeles won the selection. San Diego also submitted a bid to host the 2024 Summer Olympics, which was ultimately unsuccessful, with Los Angeles being chosen again. Additionally, San Diego was part of a joint bid with Los Angeles for the 2028 Summer Olympics, but it did not serve as the primary host.