The following is a list of the best cycling climbing/hill climb events in the US. It's a work in progress, so we appreciate your recommendations to this list; those are welcome at firstname.lastname@example.org.
TOP US CYCLING CLIMBING EVENTS
Date - Event Name (link to official event website) - Location - Climbs included in event (link to climb page)
8.20.22 - Mt. Washington Auto Road Bicycle Hillclimb - Sargent's Purchase, NH - Mt. Washington Auto Rd