Info
| Date | 15 June 1973 - 23 June 1973 |
| Discipline | Road |
| Category | 2.1 |
| Country |  Switzerland |
| Start | Zürich |
| Finish | Olten |
| Distance | 1400.6 km |
| Website | www.tds.ch |
Stages
| Stage | Date | Start | Finish |
|---|---|---|---|
| 0 | 15.06 | Zürich | Zürich |
| 1 | 16.06 | Zürich | Hendschiken |
| 2a | 17.06 | Hendschiken | Siebnen |
| 2b | 17.06 | Siebnen | Sattelegg Pass |
| 3 | 18.06 | Siebnen | Locarno |
| 4 | 19.06 | Locarno | Grächen |
| 5 | 20.06 | Grächen | Meiringen |
| 6 | 21.06 | Meiringen | La Chaux-de-Fonds |
| 7 | 22.06 | La Chaux-de-Fonds | Schupfart |
| 8a | 23.06 | Schupfart | Olten |
| 8b | 23.06 | Olten | Olten |
Last winners
| 1973 | |
| 1972 | |
| 1971 | |
| 1970 | |
| 1969 | |
| 1968 | |
| 1967 | |
| 1966 | |
| 1965 | |
| 1964 |
