Reginald Douglas had the following podium finishes at major championships: 1st in the 1954 British Empire and Commonwealth Games Coxless Pairs, 1st in the 1958 British Empire and Commonwealth Games Coxless Pairs, 2nd in the 1954 British Empire and Commonwealth Games Double Sculls. In all three competitions he was partnered with Bob Parker).
|1956 Summer||26||Melbourne||Rowing||Men's Coxless Pairs||New Zealand||NZL||3 h1 r3/4|
|1956 Summer||26||Melbourne||Rowing||New Zealand||NZL||Bob Parker||Semi-Finals||Heat One||8:44.7|
|1956 Summer||26||Melbourne||Rowing||New Zealand||NZL||Bob Parker||Round One||Heat One||7:32.6|