Debutants
Óscar Sevilla is the youngest debutant in Giro d'Italia in 1998. There are 44 debutants.
| # | Rider | Team | Age |
|---|---|---|---|
| 1 | SEVILLA Óscar | Kelme - Costa Blanca | 21y + 229d |
| 2 | PALUMBO Giuseppe | Riso Scotti - MG | 22y + 248d |
| 3 | MASON Oscar | Brescialat | 22y + 356d |
| 4 | RASTELLI Ellis | Brescialat | 23y + 118d |
| 5 | HORRILLO Pedro | Vitalicio Seguros | 23y + 231d |
| 6 | OTXOA Javier | Kelme - Costa Blanca | 23y + 259d |
| 7 | MAGNANI Marco | Cantina Tollo - Alexia Alluminio | 23y + 319d |
| 8 | SIRONI Gianluca | Vini Caldirola - Sidermec | 23y + 322d |
| 9 | GUTIÉRREZ José Enrique | Kelme - Costa Blanca | 23y + 332d |
| 10 | BRUSEGHIN Marzio | Brescialat | 23y + 335d |
| 11 | TAULER Toni | Ros Mary - Amica Chips | 24y + 35d |
| 12 | WHITE Matthew | Amore & Vita - Forzacore | 24y + 83d |
| 13 | ZANOTTI Marco | Vini Caldirola - Sidermec | 24y + 115d |
| 14 | PETACCHI Alessandro | Scrigno - Gaerne | 24y + 133d |
| 15 | SMETANINE Serguei | Vitalicio Seguros | 24y + 204d |
| 16 | KIVILEV Andrei | Festina - Lotus | 24y + 237d |
| 17 | ZANETTI Mauro | Vini Caldirola - Sidermec | 25y + 41d |
| 18 | CODOL Massimo | Mapei - Bricobi | 25y + 78d |
| 19 | VALOTI Gianluca | Polti | 25y + 89d |
| 20 | RAIMONDI Giancarlo | Brescialat | 25y + 169d |
| 21 | BOTERO Santiago | Kelme - Costa Blanca | 25y + 201d |
| 22 | MARTÍN PERDIGUERO Miguel Ángel | Kelme - Costa Blanca | 25y + 214d |
| 23 | COLONNA Federico | Asics - CGA | 25y + 272d |
| 24 | PROFETI Federico | Amore & Vita - Forzacore | 25y + 325d |
| 25 | AXELSSON Niklas | Scrigno - Gaerne | 26y + 1d |
| 26 | LEPORATTI Simone | Amore & Vita - Forzacore | 26y + 4d |
| 27 | LEFEVRE David | Casino - AG2R | 26y + 17d |
| 28 | DUMA Vladimir | Scrigno - Gaerne | 26y + 75d |
| 29 | ARAZZI Francesco | Ros Mary - Amica Chips | 26y + 107d |
| 30 | BESSY Frédéric | Casino - AG2R | 26y + 127d |
| 31 | ZINTCHENKO Andrei | Vitalicio Seguros | 26y + 131d |
| 32 | BLIJLEVENS Jeroen | TVM - Farm Frites | 26y + 138d |
| 33 | CAMENZIND Oscar | Mapei - Bricobi | 26y + 246d |
| 34 | GOUGOT Fabrice | Casino - AG2R | 26y + 258d |
| 35 | STREEL Marc | Casino - AG2R | 26y + 277d |
| 36 | ZUCCHI Simone | Amore & Vita - Forzacore | 27y + 79d |
| 37 | VAN BONDT Geert | TVM - Farm Frites | 27y + 179d |
| 38 | BIANCHI Carlo | Asics - CGA | 27y + 338d |
| 39 | CALI Vincent | Casino - AG2R | 28y + 24d |
| 40 | HOFFMAN Tristan | TVM - Farm Frites | 28y + 135d |
| 41 | APARICIO Vicente | Vitalicio Seguros | 28y + 244d |
| 42 | ZÜLLE Alex | Festina - Lotus | 29y + 315d |
| 43 | CONTE Biagio | Scrigno - Gaerne | 30y + 39d |
| 44 | KASPUTIS Artūras | Casino - AG2R | 31y + 79d |