Aloñako Igoera vs X CxM Sierro
Aloñako Igoera (22.6km, 1868m D+) vs X CxM Sierro (24km, 1100m D+). Side-by-side comparison: distances, elevation, difficulty, mandatory gear and registration. Which one suits you best?
Advanced 
Advanced Physical profile
| Aloñako Igoera | X CxM Sierro | |
|---|---|---|
| Date | 26 April 2026 | 3 May 2026 |
| Terrain | Mountain | Mountain |
| Difficulty | Advanced | Advanced |
| Max elevation gain | 1,868m D+ | 1,100m D+ |
Distances — Aloñako Igoera
| Name | Km | D+ |
|---|---|---|
| Aloñako Igoera 22K | 22.6 | 1,868 |
Distances — X CxM Sierro
| Name | Km | D+ | Max Time |
|---|---|---|---|
| CxM 24K | 24 | 1,100 | 4h30 |
| MiniCxM 12K | 12 | 680 | 4h30 |
Logistics & costs
| Aloñako Igoera | X CxM Sierro | |
|---|---|---|
| Location | Oñati, Gipuzkoa, Basque Country | Sierro, Andalusia |
| Distance between venues | 634 km | |
| Registration opens | — | — |
| Registration closes | — | 29 April 2026 |
| Mandatory Gear | 0 mandatory items | 3 mandatory items |
| Official website | Visit | Visit |
Pack 360 — Services
Registration
Aloñako Igoera
No recommendations
X CxM Sierro
No recommendations
Accommodation
Aloñako Igoera
No recommendations
X CxM Sierro
No recommendations
Gear
Aloñako Igoera
-
Salomon Speedcross 6Recommended for bothSalomon
-
Salomon Bonatti WPSalomon
X CxM Sierro
- Salomon Speedcross 6Recommended for both
Salomon
-
Salomon ADV Skin 12Salomon
-
Salomon Soft Flask 150 mlSalomon
-
Nutrition
Aloñako Igoera
-
Maurten Gel 100Recommended for bothMaurten
-
226ERS Isotonic Drink226ERS
-
Bocadillo de Guayaba Gourmet LatinoGourmet Latino
X CxM Sierro
- Maurten Gel 100Recommended for both
Maurten
-
Precision Fuel & Hydration PH 1500Precision Fuel & Hydration
-
Dátiles Medjool DorimedDorimed
Transport
Aloñako Igoera
No recommendations
X CxM Sierro
No recommendations
Car Rental
Aloñako Igoera
-
Recommended for both -
Recommended for both
X CxM Sierro
- Recommended for both
- Recommended for both
Insurance
Aloñako Igoera
No recommendations
X CxM Sierro
No recommendations
Body Care
Aloñako Igoera
-
After Bite Xtra GelAfter Bite
X CxM Sierro
-
Julbo AerospeedJulbo
-
Buff CoolNet UV+Buff
-
BodyGlide Original Anti-Chafe BalmBodyGlide
-
Compeed Ampollas Medianas DuploCompeed
Sun Protection
Aloñako Igoera
-
Recommended for both -
Recommended for both
X CxM Sierro
- Recommended for both
- Recommended for both
Summary
If you're looking for a longer distance, X CxM Sierro is the choice. If you prefer a shorter and more accessible race, consider Aloñako Igoera. In terms of elevation gain, Aloñako Igoera 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, Aloñako Igoera or X CxM Sierro?
When does each race take place?
How many distances does each race offer?
What type of terrain does each race have?
Do I need the same mandatory gear for both?
Plan your race
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.