The Week I Stopped Guessing: My VO₂ Baseline, My Zones, and a Very Nervous Fitbit
A busy week… and a smarter kind of progress This week felt overwhelming—because it was. A lot of in-house work during the day, then evenings (Wednesday through Saturday) spent
Week 02 (2026-W02): Back to Chemnitz
Rebuilding Rhythm After Travel Coming home after a big trip sounds like it should feel like relief. Sometimes it does. Sometimes it feels like your body arrives three days after yo
Inside the Data: What Intermittent Fasting Changed Before it Changed My Weight
Before fasting changed my body composition, it changed my numbers. I first noticed it in my resting heart rate and sleep data. Recovery scores improved before the mirror did. Energ
2025-W38 — The Fasted Half Marathon That Almost Hit 1:30
I raced the Colmar Half Marathon fasted, missed 1:30 by minutes, and learned more than a PR could teach—then discovered the oddest milestone: my suit suddenly didn’t fit anymor
