Debutants
Giovanni Mantovani is the youngest debutant in Tour de Suisse in 1977. There are 17 debutants.
| # | Rider | Team | Age |
|---|---|---|---|
| 1 | MANTOVANI Giovanni | Brooklyn | 22y + 130d |
| 2 | WOLFER Bruno | Zonca | 22y + 278d |
| 3 | VAN DE POEL Jos | Flandria Velda | 23y + 117d |
| 4 | LUBBERDING Henk | TI-Raleigh | 23y + 315d |
| 5 | YÁÑEZ Felipe | Kas - Campagnolo | 24y + 141d |
| 6 | GUTIERREZ Antoine | Lejeune - BP | 24y + 159d |
| 7 | PUGLIESE Pasquale | Zonca | 24y + 221d |
| 8 | WELLENS Paul | Frisol - Gazelle - Thirion | 24y + 353d |
| 9 | CIMA José Enrique | Kas - Campagnolo | 24y + 364d |
| 10 | PUJOL Juan | Kas - Campagnolo | 25y + 18d |
| 11 | DILLEN René | Lejeune - BP | 25y + 362d |
| 12 | CONTI Franco | Zonca | 26y + 68d |
| 13 | KNETEMANN Gerrie | TI-Raleigh | 26y + 101d |
| 14 | WESEMAEL Wilfried | Frisol - Gazelle - Thirion | 27y + 153d |
| 15 | DE MUYNCK Johan | Brooklyn | 29y + 16d |
| 16 | VAN IMPE Lucien | Lejeune - BP | 30y + 238d |
| 17 | ROTA Attilio | Brooklyn | 32y + 47d |