Aoiz Mountain Race vs Mitxarro Bira
Aoiz Mountain Race (14km, 800m D+) vs Mitxarro Bira (27.5km, 1775m D+). Side-by-side comparison: distances, elevation, difficulty, mandatory gear and registration. Which one suits you best?
Intermediate
IntermediatePhysical profile
| Aoiz Mountain Race | Mitxarro Bira | |
|---|---|---|
| Date | 11 April 2026 | 30 May 2026 |
| Terrain | Mountain | Mountain |
| Difficulty | Intermediate | Intermediate |
| Max elevation gain | 800m D+ | 1,775m D+ |
Distances — Aoiz Mountain Race
| Name | Km | D+ | Max Time |
|---|---|---|---|
| Agoizko Mendi Lasterketa 14K | 14 | 800 | 3h |
Distances — Mitxarro Bira
| Name | Km | D+ | Max Time |
|---|---|---|---|
| Trail Largo | 27.5 | 1,775 | 6h |
| Trail Corto | 14 | 550 | 3h30 |
Logistics & costs
Pack 360 — Services
Registration
Aoiz Mountain Race
No recommendations
Mitxarro Bira
No recommendations
Accommodation
Aoiz Mountain Race
No recommendations
Mitxarro Bira
No recommendations
Gear
Aoiz Mountain Race
Salomon Speedcross 6Recommended for bothSalomon
Salomon ADV Skin 12Salomon
Gore Wear R7 GTX ShakedryGore Wear
Mitxarro Bira
Salomon Speedcross 6Recommended for bothSalomon
Salomon Bonatti WPSalomon
Nutrition
Aoiz Mountain Race
Maurten Gel 100Recommended for bothMaurten
226ERS Isotonic DrinkRecommended for both226ERS
Mitxarro Bira
Maurten Gel 100Recommended for bothMaurten
226ERS Isotonic DrinkRecommended for both226ERS
Transport
Aoiz Mountain Race
No recommendations
Mitxarro Bira
No recommendations
Car Rental
Aoiz Mountain Race
Recommended for both
Mitxarro Bira
Recommended for both
Insurance
Aoiz Mountain Race
No recommendations
Mitxarro Bira
No recommendations
Body Care
Aoiz Mountain Race
Buff CoolNet UV+Buff
Salomon Cross VisorSalomon
Mitxarro Bira
BodyGlide Original Anti-Chafe BalmBodyGlide

Sun Protection
Aoiz Mountain Race
Recommended for both
Recommended for both
Mitxarro Bira
Recommended for both
Recommended for both
Terrain and elevation
Both races share the same terrain classification (Mountain). On its longest distance, Mitxarro Bira climbs around 65m per km versus 57m/km on the other race — the higher that ratio, the steeper and more technical the climbs tend to be.
Location and travel
Aoiz Mountain Race (Navarre) and Mitxarro Bira (Basque Country) sit roughly 79km apart — worth factoring into travel plans if you're weighing both for the same season.
Entry price
Aoiz Mountain Race is the cheaper entry, starting from €18 versus €20 for Mitxarro Bira — a €2 gap on the entry-level distance.
Time of year
Aoiz Mountain Race runs in April and Mitxarro Bira in May, so both fit in the same season if you want to race them separately. Aoiz Mountain Race falls right in its region's recommended window. Mitxarro Bira falls right in its region's recommended window.
Mandatory gear
The two mandatory gear lists don't overlap at all. Aoiz Mountain Race additionally requires phone; Mitxarro Bira additionally requires mountain or trail shoes, mobile phone.
Summary
If you're looking for a longer distance, Mitxarro Bira is the choice. If you prefer a shorter and more accessible race, consider Aoiz Mountain Race. In terms of elevation gain, Mitxarro Bira 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, Aoiz Mountain Race or Mitxarro Bira?
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