Accelerator profile
a16z speedrun
Andreessen Horowitz's accelerator: a 12-week residency in San Francisco, run twice a year with 70 to 80 companies per cohort. It accepts fewer than 0.4% of applicants and asks for pro rata rights and an option pool, but no board seat.
At a glance
a16z speedrun key facts
- Investment
- $1M
- Equity
- 10%
- Deal terms
- Up to $1M: $500K for 10% upfront on a SAFE, plus up to $500K in the next qualifying round ($2M+) within 18 months
- Duration
- 12 weeks
- Format
- In-person
- Headquarters
- San Francisco, United States
- Cohort locations
- San Francisco, United States
- Stage
- pre-seed, seed
- Sectors
- general
- Application cycle
- 2 cohorts a year
Verified November 3, 2026 against the sources below. Terms change; confirm on the official site before applying.
Timing
SR008 runs February 1 to April 18, 2027; SR009 starts in late July 2027, with Demo Day on October 5, 2027.
See all upcoming accelerator deadlines
Sources
FAQ
Applying to a16z speedrun
- How much does a16z speedrun invest?
- a16z speedrun's standard deal: Up to $1M: $500K for 10% upfront on a SAFE, plus up to $500K in the next qualifying round ($2M+) within 18 months.
- How much equity does a16z speedrun take?
- a16z speedrun takes 10% equity.
- When is the a16z speedrun application deadline?
- Application cycle: 2 cohorts a year. SR008 runs February 1 to April 18, 2027; SR009 starts in late July 2027, with Demo Day on October 5, 2027.
- Where is a16z speedrun based?
- a16z speedrun is headquartered in San Francisco, United States. The program runs in person.
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