Stage 1 of the 2025 Itzulia Women took place on .
The stage started in Zumarraga and finished in Agurain, starting at with an expected finish at (average speed of 38 km/h).
The total distance of the stage was 148.2 km. The stage included 3 categorized climb(s) and 2 intermediate sprint(s), and had a total elevation gain of 1674 m, and a total descent of -1454 m.
No weather data available
The stage included 3 categorized climb(s) and 2 intermediate sprint(s).
Arlaban is a QOM cat. 3 climb, which starts at 35.4 km (112.8 km to go) and ends at 42.8 km (105.4 km to go). It has total distance of 7.4 km, and an average gradient of 4%, going from 300 to 596 meters of altitude.
Agurain is a Sprint at 74.4 km (73.8 km to go).
Opakua is a QOM cat. 2 climb, which starts at 76.3 km (71.9 km to go) and ends at 83.4 km (64.8 km to go). It has total distance of 7.1 km, and an average gradient of 5.8%, going from 606 to 1016 meters of altitude.
Kampezu is a Sprint at 105.9 km (42.3 km to go).
Azazeta is a QOM cat. 3 climb, which starts at 120.3 km (27.9 km to go) and ends at 126.3 km (21.9 km to go). It has total distance of 6 km, and an average gradient of 3.5%, going from 678 to 884 meters of altitude.
The final 3 km for this stage starts at 145.2 km, has an average gradient of 0.3%, reaching 592 m of altitude.