How often do the stats update on Zwift power. Mine have not changed over 3 month period.
Which stats? Can you post a screenshot of what you’re looking at that appears wrong?
The PRs from your events are all from within 90 days
256W 20 min - January 16
285W 5 min - January 27
405W 1 min - December 24
603W 15 sec - February 1
You can also view PRs used for Category Enforcement on my.zwift.com if you’re interested in that. Those are from every ride, not just events.