Stage 3 of the 2025 Tour de Suisse was a medium mountain stage that took place on .
The stage started in Aarau and finished in Heiden, starting at with an expected finish at (average speed of 41 km/h).
The total distance of the stage was 195.2 km. The stage included 2 categorized climb(s) and 1 intermediate sprint(s), and had a total elevation gain of 2881 m, and a total descent of -2446 m.
The stage included 2 categorized climb(s) and 1 intermediate sprint(s).
Tissot KM is a Bonus sprint at 130.3 km (64.9 km to go).
Tissot KM is a Bonus sprint at 131.3 km (63.9 km to go).
React sprint is a Sprint at 154.3 km (40.8 km to go).
Knolhusen is a KOM cat. 2 climb, which starts at 173.3 km (21.9 km to go) and ends at 178.3 km (16.9 km to go). It has total distance of 5 km, and an average gradient of 6.2%, going from 488 to 800 meters of altitude.
Bรผriswilen is a KOM cat. 3 climb, which starts at 182.8 km (12.4 km to go) and ends at 185 km (10.1 km to go). It has total distance of 2.2 km, and an average gradient of 6.7%, going from 510 to 659 meters of altitude.
The final 3 km for this stage starts at 192.2 km, has an average gradient of 5.3%, reaching 809 m of altitude.