Insights & Lab

Notes on building a serverless cycling app, integrating GenAI, and structured training methodology.
TrainingCase Study

From Heart Rate to Watts: What I Learned Instructing Spin at the Velodrome

We introduced FTP testing to a masters spin class. The results after two 6-week cycles were shocking—even with low winter volume.

Jan 14, 2026 • 3 min read
Origin StoryTeam

The Human, The AI, and The Code: Building JustInterval

The story of how a technology consultant (33) and an AI (v1.5) built a smart cycling app together using Firebase and "trial-by-lactic-acid".

Jan 13, 2026 • 4 min read