Sailing from None, Sonja Stock competes in the the region dinghy circuit. Since April 2023, 49 races across 5 regattas have been recorded for Sonja. Sonja's primary class has been Hobie 16, with additional appearances in Hobie Tiger and Hobie 14. Key performances include winning the SailingSA events in the multiple fleets fleet, along with the SailingSA events in the multiple fleets fleet. Sonja continues to compete regularly across provincial and national sailing events.