Most riders think improvement is a bigger FTP number. It's not. A one-day power spike you can't repeat next week isn't fitness, it's a good day. Real improvement is durable and repeatable: it shows up six weeks from now, not just this afternoon. The catch? It hides in more than one number. Coach Frank Overton breaks down the seven ways to tell if your training is actually working, and how CoachCat measures every one of them from the data your rides and wearable already generate. Watch the video or read the full breakdown:
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