Peter Sagan (Bora-hansgrohe) took his 15th career stage victory at the Tour de Suisse on stage eight after launching a perfectly timed sprint in the final 200 metres.
Sacha Modolo (UAE Team Emirates) had to settle for second place while Matteo Trentin, after a strong lead-out from his Quick-Step Floors team, came home in third place.
Tour de Suisse 2017 – stage 8 results (Schaffhausen – Schaffhausen):
| 1 | Peter Sagan (Bora-hansgrohe) | 2:12:50 |
| 2 | Sacha Modolo (UAE Team Emirates) | ,, |
| 3 | Matteo Trentin (Quick-Step Floors) | ,, |
| 4 | Magnus Cort (Orica-Scott) | ,, |
| 5 | Niccolo Bonifazio (Bahrain Merida) | ,, |
| 6 | Michael Matthews (Team Sunweb) | ,, |
| 7 | John Degenkolb (Trek-Segafredo) | ,, |
| 8 | Oscar Gatto (Astana) | ,, |
| 9 | Kevin Reza (FDJ) | ,, |
| 10 | Salvatore Puccio (Team Sky) | ,, |
General classification after stage 8:
| 1 | Simon Spilak (Katusha-Alpecin) | 28:15:06 |
| 2 | Damiano Caruso (BMC) | +52” |
| 3 | Steven Kruijswijk (LottoNl-Jumbo) | +01’05” |
| 4 | Domenico Pozzovivo (AG2R) | +02’28” |
| 5 | Rui Costa (UAE Team Emirates) | +02’35” |
| 6 | Mathias Frank (AG2R) | +02’51” |
| 7 | Mikel Nieve (Team Sky) | +02’54” |
| 8 | Ion Izagirre (Bahrain Meirda) | +03’51” |
| 9 | Marc Soler (Movistar) | +04’07” |
| 10 | Pello Bilbao (Astana) | +04’10” |
