Irati Xtrem takes place on Sat, Jun 12, 2027 in Otsagabia, Spain. The main route is 128 km.
- Date
- Sat, Jun 12, 2027
- Start
- Otsagabia 🇪🇸
- Distance
- 128 km
- Climbing
- 3,600 m
- Level
- Open to all
Irati Xtrem is a demanding non-competitive cycling tour that circles the Selva de Irati in the Pyrenees across 128 kilometres and multiple mountain passes.
Official event pageWhat this race demands
Irati Xtrem requires sustaining a high work output over 128 kilometres and 3600 metres of climbing through the Pyrenean mountain passes.
Climbing volume
Accumulating 3600 metres of elevation gain across 128 kilometres demands continuous climbing proficiency and sustained muscular endurance on mountain passes.
Pyrenean terrain
Navigating the region around the Selva de Irati requires pacing discipline to manage repeated ascents and descents without premature fatigue.
Aim for 60 to 90 grams of carbohydrates per hour to maintain energy output throughout a ride of this duration.
What would it take you?
Pick the level closest to yours for an estimate of finish time on this course and the training a solid preparation needs.
Estimated finish
6:55–8:15
Peak-week training
6–8 h/week
A model estimate from distance, climbing and level, not a promise. Conditions, drafting and pacing move it.
IntervalCoach turns those weekly hours into a concrete plan built around your actual fitness. Start with this race as your goal
Your road to race day
Race day at Irati Xtrem is 42 weeks away. This is how a coach divides that time. The first phase starts now.
01Base30 weeks · Aug 23, 2026 – Mar 20, 2027
Aerobic foundation: mostly steady endurance work that grows the aerobic engine and the durability the later phases stand on.
02Build6 weeks · Mar 21, 2027 – May 1, 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 · May 2, 2027 – May 22, 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 23, 2027 – Jun 5, 2027
Volume drops while intensity stays: short, sharp efforts keep the legs awake as fatigue drains away.
05Race week1 week · Jun 6, 2027 – Jun 12, 2027
Openers, rest and logistics. The work is done; the job now is arriving fresh.
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