Registration for Cycle to Zero is now open!

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San Francisco AIDS Foundation promotes health, wellness, and social justice for communities most impacted by HIV, through sexual health and substance use services, advocacy, and community partnerships.
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2025 HIV Policy Wins! (And one loss)

Here’s what got signed into California law, what got vetoed, and the effects we will see from these new laws.

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San Francisco’s latest HIV data report—what did we learn?

An in-depth explanation from SFAF’s director of Research & Evaluation

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Cycle to Zero builds on AIDS/LifeCycle legacy

Cycle to Zero is SFAF's new 3-day cycling event being held May 29 - 31, 2026. Registration is open!

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Main Office

940 Howard Street

6th Street Center

117 6th Street

Strut

470 Castro Street