Debutants
Massimiliano Mori is the youngest debutant in US Pro Championship in 1998. There are 9 debutants.
| # | Rider | Team | Age |
|---|---|---|---|
| 1 | MORI Massimiliano | Saeco Macchine da Caffe' - Cannondale | 24y + 150d |
| 2 | KONEČNÝ Tomáš | ZVVZ - DLD | 24y + 239d |
| 3 | KEJVAL Miloslav | ZVVZ - DLD | 24y + 331d |
| 4 | PIIL Jakob Storm | Acceptcard Pro Cycling | 25y + 90d |
| 5 | GIROLETTI Marco | Mobilvetta - Northwave | 26y + 99d |
| 6 | MCRAE William Chann | Saturn | 26y + 239d |
| 7 | WILLETT Kirk | Mercury - Outdoor Life Network | 28y + 82d |
| 8 | LUKASCEWICZ Czeslaw | Mroz | 34y + 40d |
| 9 | SYPYTKOWSKI Andrzej | Mroz | 34y + 236d |