I Got Faster After 40. The Science Says That’s Possible—But Not Because Aging Reversed.
My first marathon at 30 was 3:59. At 40 it was 3:33. My best was 3:31 at 44. That looks like I “beat aging.” I didn’t. A rare 47-year study tracking the same people from age
48-Hour Fast — Fuel Transition Analysis Under Real-World Conditions
A 48-hour fast isn’t a lifestyle trend. It’s a stress test. In this field report, I document what actually shifts across 12–48 hours under real executive workload: fuel trans
2025-W45 — Building a Wellness Website Without Becoming a “Wellness Guy”
This week I built the foundation of my site by importing Fitbit, Strava, and fasting data—evidence over hype—while facing the real tradeoff: the work took time away from my fam
2025-W41 — A Fusion Reactor, a Teenager’s Curiosity, and the Moment Our Family Challenge Was Born
A weekend in Greifswald around fusion research and my son’s interview sparked something bigger: our family decided to “call our shots” with a fasted marathon, a six-pack goal
2025-W39 — After Colmar
The week after Colmar wasn’t about more running—it was about smarter structure: reduced mileage, more resistance training, and changing meal timing to keep fasting flexible and
2025-W32 — August Base Building
Three weeks at home in August became a quiet training block: fasted runs, steady mileage, more family time, and the kind of boring consistency that builds real race confidence.
2025-W29 — The 49-Hour Fast: Testing the Wall
My wife and I tested a longer fast to see where we’d hit the wall. We reached 49 hours, stopped intentionally, and learned the difference between discipline and ego.
2025-W24 — Budapest: The Week Fasting Became Practical
On a hectic business trip to Budapest, fasting became practical: I shifted to one meal per day almost by accident—and realized this could be a real, repeatable system.
English 
Deutsch 
Français