Most races will show up in https://www.bikereg.com/
Create an account, set up a search for area, and you’ll get notified as events are added to the calendar.
Also keep an eye here: https://usacycling.org/events-search?start_date=2022-01-16&end_date=2022-10-16 but I’d expect most if not all will show up on BikeReg
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