Deep Sleep Is a Training Zone, and You’re Getting Locked Out of It
You track power and intervals. The training zone you are probably not protecting is deep sleep. After 50, slow-wave sleep shrinks, growth hormone drops, and Tuesday's hard work stops sticking the way it should.
The Summer Scale Lie
I came home from a hot week in Florida heavier, and my Garmin insisted my body fat had jumped from 10 to 13 percent in five days. Then the heat took my watts too. None of it is what it looks like. Here is what the summer scale and your power meter are really measuring, why cutting calories is the worst move you can make,
Vitamin D is your missing performanc lever.
You track your power. You probably track HRV. You might even know your last cholesterol number. But ask a room full of Masters cyclists what their vitamin D level is, and most of them will go quiet. That silence is the problem, because for a rider over 40, few numbers touch as many of the systems that decide whether your training actually turns into fitness. Here
The 4% Nobody Trains For: Free Watts Hiding in How You Pedal
There's a number buried in the 2026 Masters training research that should make every 50-something cyclist sit up. Riders who cleaned up the timing of how their leg muscles fire through the pedal stroke picked up roughly 4% in functional threshold power, at the same heart rate. Read that again. Same effort. Same cardiovascular cost. Four percent more power. If you've been racing for a couple of decades, you know
