Sailing from HYC, Guthrie, Mason competes in the Western Cape dinghy circuit. Guthrie,'s competitive record on SailingSA begins in April 2026. Since then 24 races across 2 regattas have been completed. Most of Guthrie,'s racing has been in Optimist B, with additional starts in other fleets. Guthrie,'s best results include winning the SailingSA events in the multiple fleets fleet, as well as the SailingSA events in the multiple fleets fleet. Guthrie, remains active in regional dinghy racing.