Stage 1 of the 2025 Tour de Suisse was a medium mountain stage that took place on .
The stage started in Küssnacht and finished in Küssnacht, starting at with an expected finish at (average speed of 44 km/h).
The total distance of the stage was 129.2 km. The stage included 4 categorized climb(s) and 1 intermediate sprint(s), and had a total elevation gain of 2218 m, and a total descent of -2222 m.
The stage included 4 categorized climb(s) and 1 intermediate sprint(s).
Adligenswilerstrasse is a KOM cat. 3 climb, which starts at 4.9 km (124.3 km to go) and ends at 6.7 km (122.4 km to go). It has total distance of 1.9 km, and an average gradient of 6.5%, going from 480 to 602 meters of altitude.
Michaelskreuzstrasse is a KOM cat. 2 climb, which starts at 20.7 km (108.5 km to go) and ends at 24.6 km (104.6 km to go). It has total distance of 3.9 km, and an average gradient of 9.1%, going from 424 to 781 meters of altitude.
Tissot KM is a Bonus sprint at 80.5 km (48.7 km to go).
Tissot KM is a Bonus sprint at 81.5 km (47.7 km to go).
React sprint is a Sprint at 90.7 km (38.4 km to go).
Adligenswilerstrasse (2nd time) is a KOM cat. 3 climb, which starts at 95 km (34.2 km to go) and ends at 96.8 km (32.3 km to go). It has total distance of 1.9 km, and an average gradient of 6.5%, going from 480 to 602 meters of altitude.
Michaelskreuzstrasse (2nd time) is a KOM cat. 2 climb, which starts at 110.8 km (18.4 km to go) and ends at 114.7 km (14.5 km to go). It has total distance of 3.9 km, and an average gradient of 9.1%, going from 424 to 781 meters of altitude.
The final 3 km for this stage starts at 126.2 km, has an average gradient of -0.3%, reaching 438 m of altitude.