Debutants
Roberto Gusmeroli is the youngest debutant in Tirreno-Adriatico in 1989. There are 14 debutants.
| # | Rider | Team | Age |
|---|---|---|---|
| 1 | GUSMEROLI Roberto | Atala - Ofmega | 22y + 142d |
| 2 | DELION Gilles | Helvetia - La Suisse | 22y + 216d |
| 3 | KONYCHEV Dmitri | Alfa Lum | 23y + 19d |
| 4 | GIOIA Danilo | Atala - Ofmega | 23y + 19d |
| 5 | FIDANZA Giovanni | Chateau d'Ax | 23y + 163d |
| 6 | ROSCIOLI Fabio | Ariostea | 23y + 234d |
| 7 | PULNIKOV Vladimir | Alfa Lum | 23y + 276d |
| 8 | CHIURATO Andrea | Polli - Mobiexport - Fanini | 24y + 30d |
| 9 | CANZONIERI Angelo | Pepsi Cola - Alba Cucine - Fanini | 24y + 98d |
| 10 | USLAMIN Sergei | Alfa Lum | 26y + 14d |
| 11 | MARTINELLO Silvio | Atala - Ofmega | 26y + 49d |
| 12 | MOTTET Charly | RMO - Mavic - Liberia | 26y + 83d |
| 13 | FUCHS Fabian | Superconfex - Yoko - Opel | 27y + 79d |
| 14 | UGRUMOV Piotr | Alfa Lum | 28y + 47d |