Sailing from BSC, Dudley Thomson competes in the Gauteng dinghy circuit. Since April 2025, 17 races across 2 regattas have been recorded for Dudley. Dudley's primary class has been 505, with additional appearances in other fleets. Notable results include victory at the SailingSA events in the multiple fleets fleet and strong finishes at the SailingSA events. Dudley remains active in regional dinghy racing.