Desafío Ultra El Cainejo vs Las 100 Millas de Boñar – Noche Roja

Desafío Ultra El Cainejo (52km, 5500m D+) vs Las 100 Millas de Boñar – Noche Roja (161km, 4560m D+). Side-by-side comparison: distances, elevation, difficulty, mandatory gear and registration. Which one suits you best?

Desafío Ultra El CainejoElite

Desafío Ultra El Cainejo

Caín de Valdeón, León, Castile and Leon

Mountain3 modalities
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Las 100 Millas de Boñar – Noche RojaElite

Las 100 Millas de Boñar – Noche Roja

Boñar, Castile and Leon

Trail5 modalities
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Physical profile

Desafío Ultra El CainejoLas 100 Millas de Boñar – Noche Roja
Date23 May 20264 July 2026
TerrainMountainTrail
DifficultyEliteElite
Max elevation gain5,500m D+4,560m D+
UTMB Category100K—

Distances — Desafío Ultra El Cainejo

NameKmD+Max Time
Desafío Ultra 52K525,50016h
Cainejo 35K35.73,20012h
Cainejín 19K19.51,8006h

Distances — Las 100 Millas de Boñar – Noche Roja

NameKmD+Max Time
Half marathon (3 laps)205703h
Mountain marathon (7 laps)471,3307h
50 miles (12 laps)802,28012h
100 kilometers (15 laps)1002,85015h
100 miles (24 laps)1614,56024h

Logistics & costs

Desafío Ultra El CainejoLas 100 Millas de Boñar – Noche Roja
LocationCaín de Valdeón, León, Castile and LeonBoñar, Castile and Leon
Distance between venues25 km
Registration opens5 December 2025—
Registration closes18 May 2026—
Mandatory Gear6 mandatory items4 mandatory items
Official websiteVisitVisit

Pack 360 — Services

Registration

Desafío Ultra El Cainejo

No recommendations

Las 100 Millas de Boñar – Noche Roja

No recommendations

Accommodation

Desafío Ultra El Cainejo

No recommendations

Las 100 Millas de Boñar – Noche Roja

No recommendations

Gear

Desafío Ultra El Cainejo

Las 100 Millas de Boñar – Noche Roja

Nutrition

Desafío Ultra El Cainejo

Las 100 Millas de Boñar – Noche Roja

Transport

Desafío Ultra El Cainejo

No recommendations

Las 100 Millas de Boñar – Noche Roja

No recommendations

Car Rental

Desafío Ultra El Cainejo

Las 100 Millas de Boñar – Noche Roja

Insurance

Desafío Ultra El Cainejo

No recommendations

Las 100 Millas de Boñar – Noche Roja

No recommendations

Body Care

Desafío Ultra El Cainejo

Las 100 Millas de Boñar – Noche Roja

Sun Protection

Desafío Ultra El Cainejo

Las 100 Millas de Boñar – Noche Roja

Summary

If you're looking for a longer distance, Las 100 Millas de Boñar – Noche Roja is the choice. If you prefer a shorter and more accessible race, consider Desafío Ultra El Cainejo. In terms of elevation gain, Desafío Ultra El Cainejo is the more demanding option. Both races offer a complete Pack 360 with everything you need for race day.

Frequently asked questions

Which is harder, Desafío Ultra El Cainejo or Las 100 Millas de Boñar – Noche Roja?
Desafío Ultra El Cainejo has Elite difficulty with up to 5,500m elevation gain, while Las 100 Millas de Boñar – Noche Roja is Elite with up to 4,560m D+. The maximum distance is 52km for Desafío Ultra El Cainejo and 161km for Las 100 Millas de Boñar – Noche Roja.
When does each race take place?
Desafío Ultra El Cainejo takes place in May and Las 100 Millas de Boñar – Noche Roja in July.
How many distances does each race offer?
Desafío Ultra El Cainejo offers 3 distances and Las 100 Millas de Boñar – Noche Roja offers 5.
What type of terrain does each race have?
Desafío Ultra El Cainejo is classified as Mountain and Las 100 Millas de Boñar – Noche Roja as Trail.
Do I need the same mandatory gear for both?
Desafío Ultra El Cainejo requires 6 mandatory items and Las 100 Millas de Boñar – Noche Roja requires 4. Check each race's official regulations for the full list.

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Gear Checklist

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Planner

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View all similar races Desafío Ultra El CainejoView all similar races Las 100 Millas de Boñar – Noche Roja

Compare Spain's best trail running races side by side. Analyze distances, elevation, registration prices, mandatory gear and the complete Pack 360 to make the best decision.