Your Couch-to-5K for AI

Lenny's Newsletter··5 min read
AI/MLProductHealth
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AI Summary

Hilary Gridley, a guest author on Lenny's Newsletter, introduces 'Couch-to-5K for AI,' a free progressive daily program designed to build an AI habit in under 10 minutes a day. Drawing on her behavior-change expertise from WHOOP, Dropbox, and Big Health, she argues that 'being too busy' is a proxy for procrastination and that breaking goals into the smallest possible first step is the key to building new skills. The program is an updated version of her 2024 '30 Days of GPT' initiative and now includes Claude Code to take users from chatting with AI to actually building with it.

Key Facts

Hilary Gridley launches a free 'Couch-to-5K for AI' program requiring under 10 minutes per day, updated for 2026 to progress users from chatting with AI to building with Claude Code.
Drawing on behavior-change research and her work at WHOOP and Big Health, the core principle is that breaking goals into the smallest possible first step — not finding more time — is what drives habit formation.
The program is an evolution of her 2024 '30 Days of GPT' initiative, which was featured in Harvard Business Review and was widely popular.

Author Takes

BearishLenny's Newsletter

Procrastination and 'being too busy'

When people say they're 'too busy' to adopt AI, it's almost always procrastination — they're waiting for an external condition to change rather than taking the smallest possible first action

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