If  have had issues with Motorsportsreg registration for Pitt Race with Potomac. This should help. Update your MotorsportReg account by following these instructions:

Go to MotorsportReg.com. Click on My Account, then My Profile, scroll down to Memberships. Click on  “Add Memberships”. Scroll all the way down to “All Clubs in MotorsportReg.com”, find “PCA – Potomac, The Founders’ Region”. Click on “add”. Fill-in your PCA Membership number, National Instructor number (if you have one), and whatever else is blank.  When finished add Allegheny PCA to your account

Don’t know your National PCA Instructor Number?

You can find your National PCA instructor number on the PCA site here https://www.pca.org/drivers-education/instructors

Type your name in “Search Text”. Leave “Region” as “- Any – “