Berroeta Mendi Maratoi Erdia vs X CxM Sierro
Berroeta Mendi Maratoi Erdia (21.6km, 1274m D+) vs X CxM Sierro (24km, 1100m D+). Side-by-side comparison: distances, elevation, difficulty, mandatory gear and registration. Which one suits you best?
Intermediate
AdvancedPhysical profile
| Berroeta Mendi Maratoi Erdia | X CxM Sierro | |
|---|---|---|
| Date | 9 May 2026 | 3 May 2026 |
| Terrain | Mountain | Mountain |
| Difficulty | Intermediate | Advanced |
| Max elevation gain | 1,274m D+ | 1,100m D+ |
Distances — Berroeta Mendi Maratoi Erdia
| Name | Km | D+ | Max Time |
|---|---|---|---|
| Mountain Half Marathon | 21.6 | 1,274 | 3h30 |
| 15K | 15 | 737 | 2h30 |
| New Route | 10 | 0 | 2h |
Distances — X CxM Sierro
| Name | Km | D+ | Max Time |
|---|---|---|---|
| CxM 24K | 24 | 1,100 | 4h30 |
| MiniCxM 12K | 12 | 680 | 4h30 |
Logistics & costs
| Berroeta Mendi Maratoi Erdia | X CxM Sierro | |
|---|---|---|
| Location | Berroeta, Navarre | Sierro, Andalusia |
| Distance between venues | 644 km | |
| Registration opens | 1 March 2026 | — |
| Registration closes | 9 May 2026 | 29 April 2026 |
| Mandatory Gear | 2 mandatory items | 3 mandatory items |
| Official website | Visit(opens in a new tab) | Visit(opens in a new tab) |
Pack 360 — Services
Registration
Berroeta Mendi Maratoi Erdia
No recommendations
X CxM Sierro
No recommendations
Accommodation
Berroeta Mendi Maratoi Erdia
No recommendations
X CxM Sierro
No recommendations
Gear
Berroeta Mendi Maratoi Erdia
Recommended for both
X CxM Sierro
- Recommended for both
Nutrition
Berroeta Mendi Maratoi Erdia
Recommended for both
X CxM Sierro
- Recommended for both
Precision Fuel & Hydration PH 1500(opens in a new tab)Precision Fuel & Hydration
Transport
Berroeta Mendi Maratoi Erdia
No recommendations
X CxM Sierro
No recommendations
Car Rental
Berroeta Mendi Maratoi Erdia
Recommended for both
X CxM Sierro
- Recommended for both
Insurance
Berroeta Mendi Maratoi Erdia
No recommendations
X CxM Sierro
No recommendations
Body Care
Berroeta Mendi Maratoi Erdia
Recommended for both
Recommended for both
Squirrel's Nut Butter Anti-Chafe Cream(opens in a new tab)Recommended for bothSquirrel's Nut Butter
Recommended for both
X CxM Sierro
- Recommended for both
- Recommended for both
- Squirrel's Nut Butter Anti-Chafe Cream(opens in a new tab)Recommended for both
Squirrel's Nut Butter
- Recommended for both
Sun Protection
Berroeta Mendi Maratoi Erdia
Recommended for both
Recommended for both
X CxM Sierro
- Recommended for both
- Recommended for both
Terrain and elevation
Both races share the same terrain classification (Mountain). On its longest distance, Berroeta Mendi Maratoi Erdia climbs around 59m per km versus 46m/km on the other race — the higher that ratio, the steeper and more technical the climbs tend to be.
Location and travel
Berroeta Mendi Maratoi Erdia (Navarre) and X CxM Sierro (Andalusia) sit roughly 644km apart — worth factoring into travel plans if you're weighing both for the same season.
Entry price
X CxM Sierro is the cheaper entry, starting from €18 versus €22 for Berroeta Mendi Maratoi Erdia — a €4 gap on the entry-level distance.
Time of year
Both races take place in May, so you'll have to pick one per season. Berroeta Mendi Maratoi Erdia falls right in its region's recommended window. X CxM Sierro falls right in its region's recommended window.
Mandatory gear
The two mandatory gear lists don't overlap at all. Berroeta Mendi Maratoi Erdia additionally requires mountain or trail running shoes, mobile phone; X CxM Sierro additionally requires windbreaker, hydration capacity of at least 1L, mobile phone with battery.
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 Berroeta Mendi Maratoi Erdia. In terms of elevation gain, Berroeta Mendi Maratoi Erdia 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, Berroeta Mendi Maratoi Erdia 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