Euskal Herria Mendi Erronka takes place on Sat, Jun 5, 2027 in Leitza, Spain. The main route is 67 km.
- Date
- Sat, Jun 5, 2027
- Start
- Leitza 🇪🇸
- Distance
- 67 km
- Climbing
- 7,200 m
- Level
- Open to all
Your 33-week plan to Euskal Herria Mendi Erronka
The Base phase starts this week. Built around your fitness and adjusted every day as your form changes; attach the course and it prepares for the climbs too.
Build my planFree to start · No credit card
Euskal Herria Mendi Erronka is a 67 km trail race starting and finishing in Leitza and crossing the Mendialdea-Aralar area.
Your road to race day
Race day at Euskal Herria Mendi Erronka is 33 weeks away. This is how a coach divides that time. The first phase starts now.
01Base21 weeks · Oct 18, 2026 – Mar 13, 2027
Aerobic foundation: mostly steady endurance work that grows the aerobic engine and the durability the later phases stand on.
02Build6 weeks · Mar 14, 2027 – Apr 24, 2027
Progressive overload: training load climbs in waves, with harder weeks stacked on the base and planned recovery weeks that let the gains land.
03Peak3 weeks · Apr 25, 2027 – May 15, 2027
The hardest weeks of the plan: race-specific intensity at nearly full training load, sharpening exactly what this race asks for.
04Taper2 weeks · May 16, 2027 – May 29, 2027
Volume drops while intensity stays: short, sharp efforts keep the legs awake as fatigue drains away.
05Race week1 week · May 30, 2027 – Jun 5, 2027
Openers, rest and logistics. The work is done; the job now is arriving fresh.
Frequently asked questions
When is Euskal Herria Mendi Erronka?
Euskal Herria Mendi Erronka takes place on Sat, Jun 5, 2027 in Leitza, Spain.
How long is Euskal Herria Mendi Erronka?
The main route is 67 km.
How much climbing does Euskal Herria Mendi Erronka have?
Euskal Herria Mendi Erronka has 7,200 m of climbing.
Who is Euskal Herria Mendi Erronka for?
Euskal Herria Mendi Erronka is open to all participants.
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