Full name: James V. "Jim" O'Brien
Gender: Male
Born: 1926 in Toronto, Ontario, Canada
Affiliations: ?, Toronto (CAN)
Country:
Canada
Sport: Athletics
Personal Best: 100 – 10.6 (1948). |
| Games | Age | City | Sport | Event | Team | NOC | Rank | Medal | |
|---|---|---|---|---|---|---|---|---|---|
| 1948 Summer | London | Athletics | Men's 100 metres | Canada | CAN | 3 h2 r1/4 | |||
| 1948 Summer | London | Athletics | Men's 4 × 100 metres Relay | Canada | CAN | 5 |
| Games | Age | City | Sport | Country | Phase | Unit | Rank | T(H) | ATM | |
|---|---|---|---|---|---|---|---|---|---|---|
| 1948 Summer | London | Athletics | Canada | Round One | Heat Two | 3 | 10.9 | at 0.42 |
| Games | Age | City | Sport | Team | NOC | Phase | Unit | Rank | T(H) | ATM | L | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1948 Summer | London | Athletics | Canada | CAN | Final | 5 | 41.9 | at 1.22 | 6 | |||
| 1948 Summer | London | Athletics | Canada | CAN | Round One | Heat Three | 2 | QU | 42.3 |