Photo: Mitxarro Bira (opens in a new tab)Araia
Mitxarro Bira
Saturday, 30 May 2026
2 distances · 14–27.5 km
Trail Largo
27.5km D+ 1775m
Trail Corto
14km D+ 550m
Mitxarro Bira 2026: Registration
Mitxarro Bira is a trail running race through the Sierra de Altzania in the Aizkorri-Aratz Natural Park (Álava, Basque Country). Two trail distances — 27.5K and 14K — through beech forests, mud and rock, passing by La Leze cave and the three-province border at Hirumuga-Arbarrain.
Registration opens: 1 January 2026
Registration closes: 24 May 2026
Registration closed
Visit official website ↗(opens in a new tab)Got your bib? Here's what you still need
Top gear for Mitxarro Bira
See all ↓Picked for this race's terrain, distance and elevation gain.
View on Amazon →(opens in a new tab)Salomon Speedcross 6
✓ Exceptional grip in mud and technical terrain
View on Amazon →(opens in a new tab)Salomon Bonatti WP
View on Amazon →(opens in a new tab)Maurten Gel 100
✓ Hydrogel technology: excellent gastric tolerance
View on Amazon →(opens in a new tab)226ERS Isotonic Drink
✓ Leading Spanish brand in sports nutrition
View on Amazon →(opens in a new tab)ISDIN Fusion Water Sunscreen SPF 50+
✓ Ultralight texture, feels invisible on skin
Gear up for Mitxarro Bira
Buying guides with the best value for money, picked for this kind of terrain.
Swipe to see all 4 comparisons
Entry fees by distance
| Distance | Elevation | Price | Time limit | Actions |
|---|---|---|---|---|
| Trail Largo27.5K | 1,775m D+ | 30 EUR | 6h | Closed |
| Trail Corto14K | 550m D+ | 20 EUR | 3h30 | Closed |
Registration timeline
Registration opens
1 Jan
Registration closes
24 May
How to register
- 1
Go to the official race website using the registration button.
- 2
Select the distance you want to run.
- 3
Fill in the form with your personal details and federation license (if required).
- 4
Complete the payment and save your registration confirmation.
What's included in your entry?
Race bib with timing chip, aid stations along the course, accident insurance during the race, access to finish line services (physiotherapy, showers, finisher meal) and an event t-shirt or memento.
Registration closed
The registration period for this edition has ended. Check the official website in case there's a waitlist or last-minute spots.
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