Evening mountain race around La Jarosa reservoir in Guadarrama: about 9 km with 300 m of climbing on forest tracks and paths.
Photo: Club Atletismo Guadarrama / Ayuntamiento de GuadarramaPhoto: Club Atletismo Guadarrama / Ayuntamiento de GuadarramaPhoto: Club Atletismo Guadarrama / Ayuntamiento de Guadarrama
Distance
9 km
Elevation
+300 m−300 m
Altitude
1,106 mstart
Difficulty
Hard
Surface
Trail
Course
Loop
About the race
The Vuelta a La Jarosa is the mountain race organised by Club Atletismo Guadarrama and Guadarrama town hall, and 2026 was its 16th edition. It is run on a Saturday evening in May, starting at 17:00, around La Jarosa reservoir, surrounded by pine forest at the foot of the Sierra de Guadarrama.
The course is about 9 km with roughly 300 m of climbing on the tracks and paths around the reservoir, starting and finishing next to the Ruge restaurant. That much climbing makes it tougher than the distance suggests.
It is a very local race with a strong club feel: there are trophies for the top ten overall, the top three in each age group and a separate ranking for Guadarrama residents, and clubs with more than 12 runners receive a shoulder of ham. Entry is capped at 450 bibs, which sold out in 2026. The minimum age is 16.
Route
Loading map…
Getting there
Start
La Jarosa reservoir (by the Ruge restaurant), Guadarrama
Parking
The car parks of the La Jarosa recreation areas, on the Carretera de La Jarosa, are next to the reservoir.
Oct18Sun
May?TBC