Thunder Valley Grand Prix Race Reviews

The Thunder Valley Grand Prix reviews contained on this site do not neccessarily reflect the opinions of Race Entry or our affiliates. We have methods in place to indicate when a review came from a verified attendee. A review without our "verified attendee" seal may have still come from a real attendee, but we were not able to verify it. Look for Thunder Valley Grand Prix verified attendee reviews that contain this symbol at the bottom of the review: