Fjellmaraton takes place on Sat, Jun 5, 2027 in Beitostølen, Norway. The main route is 42.2 km.
- Date
- Sat, Jun 5, 2027
- Start
- Beitostølen 🇳🇴
- Distance
- 42.2 km
Your 35-week plan to Fjellmaraton
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.
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The course follows the national tourist road across Valdresflye in spectacular mountain scenery with views toward Jotunheimen.
What this race demands
Fjellmaraton requires an athlete to sustain full marathon distance across an exposed mountain road at Beitostølen in June.
Stamina
Covering the full 42.2 km distance demands robust aerobic endurance and pacing discipline over several hours of continuous running.
Mountain Exposure
The route across Valdresflye through mountain scenery exposes runners to variable early June alpine conditions and sustained grade demands.
A sustained effort lasting several hours requires a consistent intake of 60 to 90 grams of carbohydrates per hour.
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
3:45–4:30
Peak-week training
5–7 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 Fjellmaraton is 35 weeks away. This is how a coach divides that time. The first phase starts now.
01Base23 weeks · Oct 4, 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 Fjellmaraton?
Fjellmaraton takes place on Sat, Jun 5, 2027 in Beitostølen, Norway.
How long is Fjellmaraton?
The main route is 42.2 km.
What does Fjellmaraton demand?
Fjellmaraton requires an athlete to sustain full marathon distance across an exposed mountain road at Beitostølen in June.
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