Winners and leaders
| Date | Race | Winner | Leader after stage | |
|---|---|---|---|---|
| 05/12 | Stage 1a | Genève - Thonon-les-Bains | |||
| 05/12 | Stage 1b | Thonon-les-Bains - Sion | BARTALI Gino | ||
| 05/13 | Stage 2 | Sion - Porrentruy | BARTALI Gino | ||
| 05/14 | Stage 3 | Porrentruy - Payerne | KOBLET Hugo | ||
| 05/15 | Stage 4 | Payerne - Genève | BRUN Jean | BARTALI Gino |