| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | Wai Lok "William"•To | |
| Used name | William•To | |
| Original name | 韋諾•杜 | |
| Born | 7 August 1979 | |
| Measurements | 175 cm / 66 kg | |
| NOC | Hong Kong, China |  HKG |
Personal Best: 100 – 10.43 (2001).
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 2000 Summer Olympics | Athletics | HKG |
William To | |||
| 4 × 100 metres Relay, Men (Olympic) | Hong Kong, China | 7 h2 r1/3 |
