Petrus van der Merwe represents WYAC and races in the Mpumalanga sailing circuit. Since March 2025, 10 races across 1 regattas have been recorded for Petrus. Most of Petrus's racing has been in Hunter, with additional starts in other fleets. Highlights include winning the SailingSA events in the multiple fleets fleet, along with the SailingSA events in the multiple fleets fleet. Petrus continues to compete regularly across provincial and national sailing events.