Alto Rey Trail vs Mitxarro Bira
Alto Rey Trail (21.7km, 1082m 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
Intermediate Physical profile
| Alto Rey Trail | Mitxarro Bira | |
|---|---|---|
| Date | 21 June 2025 | 30 May 2026 |
| Terrain | Mountain | Mountain |
| Difficulty | Intermediate | Intermediate |
| Max elevation gain | 1,082m D+ | 1,775m D+ |
Distances — Alto Rey Trail
| Name | Km | D+ | Max Time |
|---|---|---|---|
| Alto Rey Trail 21K | 21.7 | 1,082 | 5h |
| Alto Rey Trail 11K | 11.6 | 586 | 3h |
Distances — Mitxarro Bira
| Name | Km | D+ | Max Time |
|---|---|---|---|
| Trail Largo | 27.5 | 1,775 | 6h |
| Trail Corto | 14 | 550 | 3h30 |
Logistics & costs
| Alto Rey Trail | Mitxarro Bira | |
|---|---|---|
| Location | Bustares, Guadalajara, Castile-La Mancha | Araia, Basque Country |
| Distance between venues | 204 km | |
| Registration opens | — | 1 January 2026 |
| Registration closes | — | 24 May 2026 |
| Mandatory Gear | 2 mandatory items | 2 mandatory items |
| Official website | Visit | Visit |
Pack 360 — Services
Registration
Alto Rey Trail
No recommendations
Mitxarro Bira
No recommendations
Accommodation
Alto Rey Trail
No recommendations
Mitxarro Bira
No recommendations
Gear
Alto Rey Trail
-
Salomon Speedcross 6Recommended for bothSalomon
-
Salomon Soft Flask 150 mlSalomon
Mitxarro Bira
-
Salomon Speedcross 6Recommended for bothSalomon
-
Salomon Bonatti WPSalomon
Nutrition
Alto Rey Trail
-
-
226ERS Isotonic DrinkRecommended for both226ERS
-
Bocadillo de Guayaba Gourmet LatinoGourmet Latino
Mitxarro Bira
-
Maurten Gel 100Maurten
-
226ERS Isotonic DrinkRecommended for both226ERS
Transport
Alto Rey Trail
No recommendations
Mitxarro Bira
No recommendations
Car Rental
Alto Rey Trail
-
-
Recommended for both
Mitxarro Bira
-
Recommended for both
Insurance
Alto Rey Trail
No recommendations
Mitxarro Bira
No recommendations
Body Care
Alto Rey Trail
-
Buff CoolNet UV+Buff
-
Julbo AerospeedJulbo
Mitxarro Bira
-
BodyGlide Original Anti-Chafe BalmBodyGlide
-
Compeed Ampollas Medianas DuploCompeed
Sun Protection
Alto Rey Trail
-
Recommended for both -
Piz Buin Mountain SPF 50+Piz Buin
-
Recommended for both
Mitxarro Bira
-
Recommended for both -
Recommended for both
Summary
If you're looking for a longer distance, Mitxarro Bira is the choice. If you prefer a shorter and more accessible race, consider Alto Rey Trail. 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, Alto Rey Trail 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
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.