Debutants
Oliverio Rincón is the youngest debutant in Vuelta a Burgos in 1991. There are 6 debutants.
| # | Rider | Team | Age |
|---|---|---|---|
| 1 | RINCÓN Oliverio | Kelme | 23y + 101d |
| 2 | FARFÁN José Martín | Kelme | 25y + 347d |
| 3 | TALEN John | PDM - Ultima - Concorde | 26y + 197d |
| 4 | BUGNO Gianni | Gatorade - Chateau d'Ax | 27y + 170d |
| 5 | JOHO Stephan | Weinmann - Eddy Merckx | 27y + 333d |
| 6 | DELGADO Pedro | Banesto | 31y + 110d |