| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | Guilherme Augusto•Guido | |
| Used name | Guilherme•Guido | |
| Born | 12 February 1987 in Limeira, São Paulo | |
| Measurements | 194 cm / 90 kg | |
| Affiliations | EC Pinheiros — São Paulo, São Paulo | |
| NOC | Brazil |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 2008 Summer Olympics | Swimming (Aquatics) | Guilherme Guido | ||||
| 100 metres Backstroke, Men (Olympic) | =20 | |||||
| 4 × 100 metres Medley Relay, Men (Olympic) | Brazil | 14 | ||||
| 2016 Summer Olympics | Swimming (Aquatics) | Guilherme Guido | ||||
| 100 metres Backstroke, Men (Olympic) | 14 | |||||
| 4 × 100 metres Medley Relay, Men (Olympic) | Brazil | 6 | ||||
| 2020 Summer Olympics | Swimming (Aquatics) | Guilherme Guido | ||||
| 100 metres Backstroke, Men (Olympic) | 15 | |||||
| 4 × 100 metres Medley Relay, Men (Olympic) | Brazil |