Photo: Desafío Ultra El Cainejo (opens in a new tab)Caín de Valdeón, León
Desafío Ultra El Cainejo
Saturday, 23 May 2026
Desafío Ultra 52K
52km D+ 5500m
Cainejo 35K
35.7km D+ 3200m
Cainejín 19K
19.5km D+ 1800m
When is Desafío Ultra El Cainejo 2026?
Saturday, 23 May 2026
Race date
Saturday, 23 May 2026
Caín de Valdeón, León
Race completed
Registration opens: 5 December 2025
Registration closes: 18 May 2026
Registration timeline
Registration opens
5 Dec
Registration closes
18 May
Next edition (estimated date)
- 202722 May 2027estimated date
Date estimated from the previous edition. The organiser has not published the official schedule yet; we will update this page as soon as it is confirmed.
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Add race dateExpected weather
6° – 16°
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💧
57%
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💨
14 km/h
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☀️
11h
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Race summary
Distance
52K
Elevation Gain
5,500m D+
Terrain
Mountain
Difficulty
Elite
Distances
| Desafío Ultra 52K | 52K | 5,500m D+ | 104 EUR |
| Cainejo 35K | 35.7K | 3,200m D+ | 72 EUR |
| Cainejín 19K | 19.5K | 1,800m D+ | 53 EUR |
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