Debutants
Francesco Moser is the youngest debutant in Tirreno-Adriatico in 1973. There are 8 debutants.
| # | Rider | Team | Age |
|---|---|---|---|
| 1 | MOSER Francesco | Filotex | 21y + 267d |
| 2 | TENA AMBRÓS Josep | Kas - Kaskol | 22y + 49d |
| 3 | ONGARATO Franco | Dreher Forte | 23y + 288d |
| 4 | FOCHESATO Gino | Dreher Forte | 24y + 269d |
| 5 | PLANCKAERT Walter | Watney - Maes | 24y + 339d |
| 6 | LASA Miguel María | Kas - Kaskol | 25y + 129d |
| 7 | PESARRODONA José | Kas - Kaskol | 27y + 40d |
| 8 | SWERTS Roger | Molteni | 30y + 75d |