Debutants
Youngest debutants in Vuelta a Colombia in 1990. There are 5 debutants.
| # | Rider | Team | Age |
|---|---|---|---|
| 1 | ORTEGÓN Julio César | Postobón - Manzana - Ryalcao | 21y + 120d |
| 2 | BUENAHORA Hernan | Café de Colombia | 23y + 13d |
| 3 | PALACIO William | Postobón - Manzana - Ryalcao | 25y + 4d |
| 4 | VINCENTE DIAZ Jose | Café de Colombia | 25y + 78d |
| 5 | PATARROYO Hector | Postobón - Manzana - Ryalcao | 31y + 332d |