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. Sonja's best results include winning the SailingSA events in the multiple fleets fleet, as well as the SailingSA events in the multiple fleets fleet. Sonja remains active in regional dinghy racing.