Debutants
Firmino Bernardino is the youngest debutant in GP de Sintra in 1971. There are 2 debutants.
| # | Rider | Team | Age |
|---|---|---|---|
| 1 | BERNARDINO Firmino | Hoover - De Gribaldy - Wolber | 21y + 149d |
| 2 | AGOSTINHO Joaquim | Hoover - De Gribaldy - Wolber | 28y + 130d |
| # | Rider | Team | Age |
|---|---|---|---|
| 1 | BERNARDINO Firmino | Hoover - De Gribaldy - Wolber | 21y + 149d |
| 2 | AGOSTINHO Joaquim | Hoover - De Gribaldy - Wolber | 28y + 130d |