You’re Not Too Old for Intervals. You’re Just Spacing Them Wrong
Somewhere around your 50th birthday, the advice changes. Training partners, forum threads, even well-meaning coaches start telling you the same thing: ease off the hard stuff. You're not 25 anymore. Stick to Zone 2 and ride your age. It's the most comfortable bad advice in cycling, and the 2026 VO₂max research says it's wrong on the part that matters most. Masters athletes respond to high-intensity intervals as well as

