A Mpumalanga sailor, Petrus van der Merwe represents WYAC in competitive dinghy racing. Petrus's earliest SailingSA result dates to March 2025. Since then 10 races across 1 regattas have been recorded. Petrus's primary class has been Hunter, with additional appearances 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.