Testing & Data

Magnus using RPE for running beside pace and heart-rate data after an easy run

RPE for Running: The Number My Watch Can’t Measure

Garmin can record pace, heart rate and cadence, but it can’t feel the run. At 68, I use RPE as the human signal that helps CoachChat interpret the numbers, especially when conditions change or a sensor misbehaves.

, , , , , ,

RPE for Running: The Number My Watch Can’t Measure Read Post »

AI Running Coach Experiment, Running After 50, Testing & Data
Older Black runner reviewing his natural running cadence without chasing 180 steps per minute

Running Cadence Over 50: Why I’m Not Chasing 180 SPM

At 68, my easy-run cadence often sits well below the famous 180-SPM target. I looked at what the number really means, what the research supports and why my AI coach treats cadence as evidence, not a command.

, , , , ,

Running Cadence Over 50: Why I’m Not Chasing 180 SPM Read Post »

AI Running Coach Experiment, Running After 50, Testing & Data, Training Tips
Magnus comparing a Strava activity summary with a contextual AI running coach analysis after a humid run

What Strava Missed About My Run, and My AI Running Coach Caught

Strava saw my fastest average pace of the month and two “intervals.” CoachChat saw a humid endurance run, a failing chest strap and enough late-session cost to hold the next week steady. The difference wasn’t smarter AI. It was better context.

, , , , , , ,

What Strava Missed About My Run, and My AI Running Coach Caught Read Post »

AI Running Coach Experiment, Running After 50, Testing & Data

Lactate Threshold Test for Runners Over 50: My Experience at Body Insight Canada

Ever wonder if those heart rate zone calculators are really telling the whole story — especially as we get older? I did. So, as a runner in my 60s, I decided to stop guessing and booked a lactate threshold test at Body Insight Canada. This wasn’t some specialized test for older runners — just a

, , , , , , , , ,

Lactate Threshold Test for Runners Over 50: My Experience at Body Insight Canada Read Post »

Heart Rate Training, Marathon Training, Masters Running, Performance Optimization, Running & Endurance, Testing & Data, Training Insights
Scroll to Top