Bola del Mundo
The Vuelta's high finale in the Sierra de Guadarrama: 21.6 km at 6.3% from Collado Villalba over the Puerto de Navacerrada, then the last 3.3 km on a concrete service road at 12%, with ramps of 20%, to 2257 m.
- Start: Collado Villalba
- Length: 21.6 km
- Elevation gain: 1,366 m
- Average gradient: 6.3%
- Max gradient: 20%
- The Vuelta's first finish here, in 2010, sealed Vincenzo Nibali's overall victory.
- In 2012 Denis Menchov won here while Alberto Contador defended the red jersey.
- In 2025 Jonas Vingegaard won on the Bola del Mundo and secured his first Vuelta.
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