Vuelta a España 2025 stage 20 preview
September 13, 2025, Stage 20: Robledo de Chavela - Bola del Mundo. Puerto de Navacerrada, 165.6km

The final showdown for the climbers through the sierras of Madrid through some of the Vuelta's most frequently used mountainous terrain, prior to the hugely difficult ascent of Bola del Mundo. A continuation of the well-known Navacerrada ascent - already crossed by the peloton earlier in the stage - Bola del Mundo's narrow, cemented 20% slopes will crown the definitive winner of the 2025 Vuelta a España.
Climbs
- Alto de la Escondida (cat. 3), km. 13.6
- Puerto de la Paradilla (cat. 3), km. 26.4
- Alto del León (cat. 2), km. 59
- Puerto de Navacerrada (cat. 1), km. 115.8 - time bonus
- Bola del Mundo (ESP), km. 165.6
Sprints
- Cercedilla, km. 127.6
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Laura Weislo has been with Cyclingnews since 2006 after making a switch from a career in science. As Managing Editor, she coordinates coverage for North American events and global news. As former elite-level road racer who dabbled in cyclo-cross and track, Laura has a passion for all three disciplines. When not working she likes to go camping and explore lesser traveled roads, paths and gravel tracks. Laura specialises in covering doping, anti-doping, UCI governance and performing data analysis.
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