Winston McArthur had the following podium finishes at major championships: 2nd in the 1958 British Empire and Commonwealth Games Middleweight class (795 pounds).
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1956 Summer Olympics | Weightlifting | GUY |
Winston McArthur | |||
| Middleweight, Men (Olympic) | 11 |