Full name: Derek Malcolm Day
Gender: Male
Born: November 29, 1927 in Barnet, Greater London, Great Britain
Title: Sir
Affiliations: Southgate Hockey Club, London (GBR)
Country:
Great Britain
Sport: Hockey
Medals: 1 Bronze (1 Total)
| Games | Age | City | Sport | Event | Team | NOC | Rank | Medal | |
|---|---|---|---|---|---|---|---|---|---|
| 1952 Summer | 24 | Helsinki | Hockey | Men's Hockey | Great Britain | GBR | 3 | Bronze |
| Games | Age | City | Sport | Team | NOC | Phase | Unit | Rank | Date | Result | GP | G |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1952 Summer | 24 | Helsinki | Hockey | Great Britain | GBR | Final Standings | 3 | 1952-07-15 | 2 | 0 | ||
| 1952 Summer | 24 | Helsinki | Hockey | Great Britain | GBR | Semi-Finals | Match #1 | 2 | 1952-07-20 | IND 3, GBR 1 | 0 | |
| 1952 Summer | 24 | Helsinki | Hockey | Great Britain | GBR | Quarter-Finals | Match #2 | 1 | 1952-07-17 | GBR 1, BEL 0 | 0 |