A the region sailor, Stefan Rumpf represents None in competitive dinghy racing. Since March 2025, 14 races across 2 regattas have been recorded for Stefan. Stefan competes mainly in the Hobie 14 fleet, alongside races in other fleets. Stefan's best results include winning the SailingSA events in the multiple fleets fleet, as well as the SailingSA events in the multiple fleets fleet. Stefan remains an active competitor in the Western Cape sailing circuit.