The second event of the United States Pro Kart Series was held over the weekend (April 28-May 1) as OTK USA continued its success during the first half of the 2022 season. The Carolina Grand Prix was contested on the GoPro Motorplex in Mooresville, North Carolina with perfect racing weather greeting the over 300 entries in the seven categories offered. Of the 14 main events on the weekend, OTK drivers and teams grabbed nine victories with 25 standing on the podium steps in addition to 53 finishes inside the top-five.

As part of the WKA Mid-Season Shootout, the competitors gaining the most cumulative points in Mini ROK, Junior ROK, Senior ROK and ROK Shifter after the Orlando, Florida, and two Charlotte, North Carolina events will receive ROK Cup Superfinal invitations. The rule that classes must average ten entries to receive these invitations has been removed ensuring that all class champions from these respective divisions will be headed to Italy as part of the WKA and ROK Cup USA partnership.