Overview
- Organizers unveiled the official six‑stage itinerary totaling about 809.6–810 km with 29 categorized climbs.
- Stage 1 in Bilbao is a 13.9 km opener featuring Mirador Artxanda and the Enekuri ramp that pitches up to 19%.
- Stage 2 from Pamplona to the Cuevas de Mendukilo includes Aldatz, first‑category San Miguel de Aralar at 1,215 m, and Etxauri.
- The longest day is Stage 5, Eibar to Eibar at 176.2 km, stacking major ascents such as Krabelin, Izua, and Azurki.
- The schedule runs Bilbao, Pamplona–Mendukilo, Basauri, Galdakao, Eibar, then Goizper‑Antzuola to Bergara, with local coverage flagging Gipuzkoa terrain as decisive.