Racecar Growth

Lenny Rachitsky

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Dan Hockenmaier

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Racecar Growth

Think about your business like a high-performance race car.

The same components that help a car drive faster are also the components of your Growth Model:

  1. ⚙️ The (Growth) Engine
  2. Self-sustaining growth loops that drive most of your growth (e.g. virality, performance marketing, content, and sales).
  3. 💥 Turbo boosts
  4. One-off events that accelerate growth temporarily but don’t last (e.g. PR, events, Super Bowl ads).
  5. 💧 Lubricants
  6. Optimizations that make the growth engine run more efficiently (e.g. improved customer conversion, a stronger brand, and higher customer retention).
  7. Fuel
  8. The input that your engine requires to run (e.g. capital, content, users).


All four of these components help your business grow faster, but understanding your Growth Engine is the most important part because it’s the only component with the potential to be self-sustaining. In other words, engines naturally create an output that can then be re-invested in more growth. At Reforge, we also refer to this as a Growth Loop.


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