Trail races in Castile and Leon — May 2026
Castile and Leon hosts Sierra de Gredos, Sierra de Guadarrama, and part of Picos de Europa. Ultrail La Covatilla and Trail Gredos are benchmark events in the northern plateau.
2 races scheduled
Climate in Castile and Leon: The continental climate imposes extreme conditions. Winters are harsh, with abundant snow in the ranges until May, while July and August bring stifling heat on the plateau and storms at high altitude. Spring and autumn offer the best windows: mild temperatures, accessible peaks, and landscapes in full transformation. Mornings can be freezing even in June, so always go prepared.
Race summary
2
Races
5 – 52 km
Distance range
1000 – 5500 D+
Elevation range
May
Race months
Difficulty
Tips for running in Castile and Leon in may
Sun protection: the sun is already strong in May. SPF 50+ cream, visor cap and sunglasses are essential.
If your race is in high mountains, still bring thermal layers: at high altitudes temperatures can drop below 5 °C.
May has a high volume of races: plan carefully if you have multiple objectives to avoid overtraining.
Race map
Click a marker to view race details.
Scheduled races
Photo: Desafío Ultra El Cainejo Desafío Ultra El Cainejo
Caín de Valdeón, León
52K, 35K y 19K por los Picos de Europa desde Caín de Valdeón — una de las carreras más técnicas de España
100K Elite 
Neveros Vertical
Ágreda, Soria
Neveros Vertical — 5K con 1.000 m D+ en el Moncayo, Soria
Essential trail running gear
Must-have gear to prepare for your mountain races
Salomon
Salomon Speedcross 6
La zapatilla de trail más versátil de Salomon, ideal para terrenos técnicos y barro. Agarre excepcional con suela Contagrip y amortiguación EnergyCell+.
Fox 40
Fox 40 Classic
Silbato de emergencia sin pieza interna, funciona mojado y con barro. Sonido de 115 dB audible a gran distancia. El estándar en carreras de montaña.
Gore Wear
Gore Wear R7 GTX Shakedry
Chubasquero Gore-Tex Shakedry ultraligero (110 g). Impermeabilidad total sin membrana interior, altamente transpirable. El referente para corredores de montaña.
Salomon
Salomon ADV Skin 12
Chaleco de hidratación de 12 litros con sistema SensiFit. Dos soft flasks frontales de 500 ml incluidas. Bolsillos de fácil acceso y ajuste ceñido sin rebotes.
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