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?

Alto Rey Trail Intermediate

Alto Rey Trail

Bustares, Guadalajara, Castile-La Mancha

Mountain 2 modalities
View Pack 360
Mitxarro Bira Intermediate

Mitxarro Bira

Araia, Basque Country

Mountain 2 modalities
View Pack 360

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

Nutrition

Alto Rey Trail

Mitxarro Bira

Transport

Alto Rey Trail

No recommendations

Mitxarro Bira

No recommendations

Insurance

Alto Rey Trail

No recommendations

Mitxarro Bira

No recommendations

Sun Protection

Alto Rey Trail

Mitxarro Bira

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?
Alto Rey Trail has Intermediate difficulty with up to 1,082m elevation gain, while Mitxarro Bira is Intermediate with up to 1,775m D+. The maximum distance is 21.7km for Alto Rey Trail and 27.5km for Mitxarro Bira.
When does each race take place?
Alto Rey Trail takes place in June and Mitxarro Bira in May.
How many distances does each race offer?
Alto Rey Trail offers 2 distances and Mitxarro Bira offers 2.
What type of terrain does each race have?
Alto Rey Trail is classified as Mountain and Mitxarro Bira as Mountain.
Do I need the same mandatory gear for both?
Alto Rey Trail requires 2 mandatory items and Mitxarro Bira requires 2. Check each race's official regulations for the full list.

Plan your race

View all similar races Alto Rey Trail View all similar races Mitxarro Bira

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.