a16z SPEEDRUN SR008

SPEEDRUN is Andreessen Horowitz’s highly selective early-stage accelerator. SR008 will run from late January through April 2027 in San Francisco, with mandatory in-person attendance.

• Applicants must be early-stage founders building a startup.
• Solo founders may apply, although complementary founding teams are generally preferred.
• Prior fundraising does not disqualify an applicant.
• A prototype or early market validation is encouraged but not mandatory.
• Selected founders must be able to participate in person in San Francisco.

• USD 500,000 invested for 10% through a SAFE.
• An additional USD 500,000 invested in the company’s next financing round within 18 months.
• More than USD 10 million in available partner credits across cloud, AI and software providers.
• Hands-on support covering recruiting, sales, marketing, go-to-market, fundraising, HR and business development.
• Visa and relocation assistance for international founders.
• Access to the SPEEDRUN founder community and a Demo Day reaching early-stage investors.
• No board seat is required, although a16z receives pro-rata rights and expects an employee option pool.

• Applications are reviewed on a rolling basis, generally within four to six weeks.
• Promising applicants may be invited to submit a short video pitch or attend a 15-minute interview.
• Additional references, company data or supporting information may be requested before a final decision.
• The program reports an acceptance rate below 0.4%, with recent cohorts containing approximately 60–70 teams.