Debutants
Johan Museeuw is the youngest debutant in US Pro Championship in 1988. There are 13 debutants.
| # | Rider | Team | Age |
|---|---|---|---|
| 1 | MUSEEUW Johan | ADR - Mini Flat - IOC | 22y + 250d |
| 2 | KUUM Jaanus | ADR - Mini Flat - IOC | 23y + 261d |
| 3 | HAMPSTEN Andrew | 7 Eleven - Hoonved | 26y + 73d |
| 4 | WHITESEL Bruce | Zero Boys | 26y + 249d |
| 5 | KIEFEL Ron | 7 Eleven - Hoonved | 28y + 69d |
| 6 | DEMOL Dirk | ADR - Mini Flat - IOC | 28y + 228d |
| 7 | SHAPIRO Doug | 7 Eleven - Hoonved | 28y + 278d |
| 8 | VELDSCHOLTEN Gerard | Weinmann - La Suisse | 28y + 305d |
| 9 | BROZNOWSKI Tom | Wheaties - Schwinn | 29y + 198d |
| 10 | BOGAERT Jan | Intral Renting - Ricoh - Nec | 30y + 199d |
| 11 | LAURITZEN Dag-Otto | 7 Eleven - Hoonved | 31y + 281d |
| 12 | TRINKLER Richard | Weinmann - La Suisse | 37y + 302d |
| 13 | MARCUSSEN Jørgen | Fanini | 38y + 35d |