Cycle to Zero 2027
Hosted by Cycle To Zero
Cycle to Zero is a 3‑day fundraising event benefiting the programs and services of San Francisco AIDS Foundation that builds on the three‑decade legacy of AIDS/LifeCycle. With a launch north from San Francisco, the journey unfolds through breathtaking scenery, bringing riders inland to the Russian River, Sonoma, and back along the coast to San Francisco.
SFAF envisions a future of Zero New HIV Diagnoses. Zero Stigma. Zero Inequity. Zero Overdose. Cycle or Crew with us for a better future.
Frequently Asked Questions
San Francisco AIDS Foundation is a 501(c)3 tax-exempt organization and your donation is tax-deductible within the guidelines of U.S. law. To claim a donation as a deduction on your U.S. taxes, please keep your email donation receipt as your official record. We'll send it to you upon successful completion of your donation.
With Cycle to Zero, San Francisco AIDS Foundation is offering even more ways to participate than ever before—so you can find the ride that’s right for you.
- 3-Day Cyclists (Friday, May 21 – Sunday, May 23, 2027): Cyclists committed to completing the entire three-day journey from San Francisco to the Russian River and back. This is a fully-supported experience for the duration of the event, all meals and camping accommodations included.
- 1-Day Cyclists (Saturday, May 22, 2027): Cyclists who wish to participate with us for a single day, joining on Saturday, May 22, 2027. This option is ideal for those with limited time or who prefer a shorter cycling challenge.
- Crew (Friday, May 21 – Sunday, May 23, 2027): This tier is for individuals who commit to supporting the event as a volunteer for all 3 days. We will work with you to place you on a Crew team that best fits your interests and abilities. This could involve a role supporting rest stops, camp operations, SAG team (support & gear) and or other functional Crew teams necessary for Cycle to Zero’s infrastructure.
- DIY Squad: For individuals who want to contribute to Cycle to Zero’s fundraising goals remotely.
- 3-Day Cyclist: $95 Registration Fee
- 1-Day Cyclist: $225 Registration Fee
- Crew: $95 Registration Fee
- DIY Squad: $45 Registration Fee
3-Day Cyclists fundraise a minimum of $500 by March 1, 2027 at 11:59 PM and a total amount of $2,500 by May 1, 2027 at 11:59PM to maintain their spot in the event. Crew fundraise a minimum of $250 by May 1, 2027 at 11:59PM.
The minimum age to participate as a Cyclist or Crew in Cycle to Zero is 18; however, if you will be 18 by the start of the event, you may register. Additionally, all ages can participate as a DIY Squad participant type from home!