Overview
- Castrillo, 23, claimed his second stage victory in the Vuelta a Espana on the challenging Cuitu Negru climb.
- Roglic finished fifth but received a 20-second penalty for drafting behind his team car.
- O'Connor's lead over Roglic now stands at 1 minute and 3 seconds as the race enters its final week.
- The riders will have a rest day before tackling the 181 km route from Luanco to Lagos de Covadonga.
- Castrillo's victory is seen as a significant milestone in his budding career.