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TrailSpainCastile and León

Desafío Urbión 2026

04.09 – 06.09.2026Covaleda (Spain)
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2’6008’530 m D+ ft D+

37 km23 miDESAFÍO URBIÓN SKY 37Klongest of 3 courses

At a glance

Desafío Urbión 2026 took place from Friday 4 to Sunday 6 September 2026 in Covaleda (Castile and León, Spain). Three distances to choose from: 6, 16 and 37 km.

Longest course: DESAFÍO URBIÓN SKY 37K, 37 km with 2’600 m D+ (70 m per km: very steep terrain). Terrain: 95% trail, 4% forest track and 2% road. Terrain data: © OpenStreetMap contributors.

The 2027 edition is expected on Tuesday 31 August 2027, date to be confirmed by the organiser. On Kliva, plan your pacing and nutrition for free, then send the plan to your watch.

A mountain race in Covaleda (Soria) passing through 7 glacial lakes, including Laguna Negra, and crowning three peaks over 2000m.
From the organiser

3 courses

  1. 6km3.7mi

    300 m D+984 ft D+

    avg 5%

    6KM
    No index

  2. 16km9.9mi

    1’010 m D+3’314 ft D+

    1’057 m D-3’468 ft D-

    avg 6%

    OPEN
    ITRA 1
    GPX

  3. 37km23mi

    2’600 m D+8’530 ft D+

    2’555 m D-8’383 ft D-

    avg 7%

    DESAFÍO URBIÓN SKY 37K
    ITRA 2UTMB Index 50K
    GPX

Course analysis

37 km23 mi2’600 m D+8’530 ft D+

63effort kmⓘ37 km on the map · feels like 63 km23 mi on the map · feels like 63 km
D+
2’600 m8’530 ft
D−
2’555 m8’383 ft
Max alt.
2’214 m7’264 ft
Steepest
23%

Segments

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Elevation profile: DESAFÍO URBIÓN SKY 37K

1’175 m – 2’214 m3’855 ft – 7’264 ft

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