A the region sailor, Mark Teasdale represents in competitive dinghy racing. Since November 2021, 6 races across 1 regattas have been recorded for Mark. Mark's primary class has been Hobie Tiger, with additional appearances in other fleets. Key performances include winning the SailingSA events in the multiple fleets fleet, along with the SailingSA events in the multiple fleets fleet. Mark remains an active competitor in the Western Cape sailing circuit.