| Roles | Competed in Olympic Games • Other | 
|---|---|
| Sex | Male | 
| Full name | Marlon Selwyn•Williams | 
| Used name | Marlon•Williams | 
| Born | 9 September 1956 | 
| Measurements | 172 cm / 65 kg | 
| NOC |   United States Virgin Islands | 
Personal Bests: 5000 – 15:26.49 (1992); 10000 – 32:40.84 (1992); Mar – 2-40:59 (1987).
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1984 Summer Olympics | Athletics |  ISV | 
Marlon Williams | |||
| Marathon, Men (Olympic) | 75 | |||||
| 1988 Summer Olympics | Athletics |  ISV | 
Marlon Williams | |||
| Marathon, Men (Olympic) | 88 | |||||
| 1992 Summer Olympics | Athletics |  ISV | 
Marlon Williams | |||
| 5,000 metres, Men (Olympic) | 12 h2 r1/2 | |||||
| 10,000 metres, Men (Olympic) | 27 h2 r1/2 | |||||
| 1996 Summer Olympics | Athletics |  ISV | 
Marlon Williams | |||
| Marathon, Men (Olympic) | 108 | 
| Games | Role | NOC | As | |
|---|---|---|---|---|
| 2004 Summer Olympics | Flagbearer at the Closing Ceremony |  ISV | 
Marlon Williams |