Burriac ATAC! vs X CxM Sierro

Burriac ATAC! (21.25km, 851m D+) vs X CxM Sierro (24km, 1100m D+). Side-by-side comparison: distances, elevation, difficulty, mandatory gear and registration. Which one suits you best?

Burriac ATAC!Advanced

Burriac ATAC!

Vilassar de Mar, Catalonia

Mountain2 modalities
View Pack 360
X CxM SierroAdvanced

X CxM Sierro

Sierro, Andalusia

Mountain2 modalities
View Pack 360

Physical profile

Burriac ATAC!X CxM Sierro
Date5 September 20263 May 2026
TerrainMountainMountain
DifficultyAdvancedAdvanced
Max elevation gain851m D+1,100m D+

Distances — Burriac ATAC!

NameKmD+
Llarga21.25851
Curta15.42627

Distances — X CxM Sierro

NameKmD+Max Time
CxM 24K241,1004h30
MiniCxM 12K126804h30

Logistics & costs

Burriac ATAC!X CxM Sierro
LocationVilassar de Mar, CataloniaSierro, Andalusia
Distance between venues624 km
Registration opens——
Registration closes—29 April 2026
Mandatory Gear0 mandatory items3 mandatory items
Official websiteVisitVisit

Pack 360 — Services

Registration

Burriac ATAC!

No recommendations

X CxM Sierro

No recommendations

Accommodation

Burriac ATAC!

No recommendations

X CxM Sierro

No recommendations

Gear

Burriac ATAC!

X CxM Sierro

Nutrition

Burriac ATAC!

X CxM Sierro

Transport

Burriac ATAC!

No recommendations

X CxM Sierro

No recommendations

Car Rental

Burriac ATAC!

X CxM Sierro

Insurance

Burriac ATAC!

No recommendations

X CxM Sierro

No recommendations

Body Care

Burriac ATAC!

X CxM Sierro

Sun Protection

Burriac ATAC!

X CxM Sierro

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 Burriac ATAC!. In terms of elevation gain, X CxM Sierro 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, Burriac ATAC! or X CxM Sierro?
Burriac ATAC! has Advanced difficulty with up to 851m elevation gain, while X CxM Sierro is Advanced with up to 1,100m D+. The maximum distance is 21.25km for Burriac ATAC! and 24km for X CxM Sierro.
When does each race take place?
Burriac ATAC! takes place in September and X CxM Sierro in May.
How many distances does each race offer?
Burriac ATAC! offers 2 distances and X CxM Sierro offers 2.
What type of terrain does each race have?
Burriac ATAC! is classified as Mountain and X CxM Sierro as Mountain.
Do I need the same mandatory gear for both?
Burriac ATAC! requires 0 mandatory items and X CxM Sierro requires 3. Check each race's official regulations for the full list.

Plan your race

Time Estimator

Predict your finish time

Gear Checklist

Check your mandatory gear

Planner

Organize your season

View all similar races Burriac ATAC!View all similar races X CxM Sierro

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.