AI + health
How to Sync Your Health Data with Claude
The model is only as useful as the week you give it. Here's how I get wearable rows, the lifting log, and sleep into Claude without dumping a medical archive into a chat box.
9 min · 2026-08-18
Journal
Articles
19 notes on hybrid training, WHOOP, and using Claude and other LLMs to coach from your own data. Papers are cited where they matter.
Coaching
When AI Replaces a Personal Trainer
A lot of what people pay a remote trainer for is a calendar and a nudge. That job is already software. The job that still needs a human is the one that happens next to the bar.
8 min · 2026-08-18
AI + health
A Weekly Health Review with an LLM
Health optimization, for me, is a Sunday review. Sleep, overnight HRV, the sessions, and whether I ate enough for the work. The model holds the week. I still live it.
8 min · 2026-08-18
AI + health
What You Should Not Ask a Language Model About Your Body
A model will answer anything you ask. That is the problem. The useful questions are about weeks and collisions. The dangerous ones sound medical and still get a fluent paragraph.
7 min · 2026-08-18
Sunday decisions
From WHOOP data to decisions: a Sunday workflow
The band collects. The model summarizes. You still choose the week. Here is a Sunday habit that turns overnight numbers into one decision, not twelve moods.
9 min · 2026-08-18
Load as a flag
Training load and injury: flags, not laws
Injury risk in hybrid sport is rarely one number. Watch how fast this week's load rose against what you have been doing, then listen to how hard it felt and how you slept.
8 min · 2026-08-17
Fuel the week
Nutrition for hybrid athletes: fuel the week, not a slogan
Lifting and running in the same week is a fuel problem before it is a supplement problem. Eat enough, place carbohydrate where the work is hard, and let sleep do its job.
8 min · 2026-08-16
Trends vs labs
Wearables versus the lab: what each one is for
A strap on the wrist is not a metabolic cart. Use wearables for direction over days. Use a lab when you need a number that has to be true on that day.
8 min · 2026-08-15
Order and effort
Lifting while running: how to keep both
Concurrent training is not a myth. The practical question is how to keep strength while you keep running, without turning every session into a test.
8 min · 2026-08-14
Endurance
Zone 2, VO2, and the Hybrid Athlete
Zone 2 is work below the first threshold, often a talk test. Keep it easy so the rare VO2 day can be hard.
8 min · 2026-08-13
Programming
A Weekly Hybrid Plan with AI as the Desk
The week is the unit. Three lifts, three runs, one long easy. Put strength before quality running when the calendar allows. AI can keep the pieces from colliding.
8 min · 2026-08-12
Recovery
WHOOP, Red Days, and What Overtraining Actually Is
Overreaching can be planned. Overtraining syndrome isn't a red recovery score. Watch the week, not the morning.
8 min · 2026-08-11
Recovery
Sleep, HRV, and the Hybrid Week
Lift and run in the same week only if the nights can carry it. Sleep loss hits the session. HRV is a trend, not a verdict on a single morning.
8 min · 2026-08-10
Coaching
Can AI Be Your Personal Trainer?
I keep a language model at the desk. It can hold weeks of recovery data and help protect the quality session. It can't stand next to the bar.
8 min · 2026-08-09
Weekly patterns
Analyze WHOOP Data with AI
A language model can read your WHOOP export faster than you can. It's only useful if you feed it a week of recovery, HRV, sleep, strain, RPE, and the bar, then ask for patterns, not a diagnosis.
9 min · 2026-08-08
Read the trend
How to Read WHOOP Strain and Recovery
Strain is the day's cardiovascular bill. Recovery is the night's reply. If you lift and run, you read both as a week, not as permission to smash everything this morning.
8 min · 2026-08-07
Wearables
WHOOP in Sport: What the Band Is For
WHOOP lives on strain, recovery, and overnight physiology. That's useful in sport if you treat it as a field monitor, not a lab, and never as a medical device.
8 min · 2026-08-06
Two stimuli
The Science of Concurrent Training
Lift and run in the same week and you inherit the interference effect. The papers since Hickson tell you when strength pays, when endurance holds, and how close is too close.
9 min · 2026-08-05
Lift and run
What Is a Hybrid Athlete?
I lift and run in the same week. That's the job. Not a bodybuilder who jogs, not a runner who lifts when he remembers. Both qualities get trained on purpose, and recovery has to keep up.
8 min · 2026-08-04
