ČEZ Jizerská 50 takes place on Sun, Feb 14, 2027 in Bedřichov, Czechia. The main route is 50.6 km.
- Date
- Sun, Feb 14, 2027
- Start
- Bedřichov 🇨🇿
- Distance
- 50.6 km
- Climbing
- 762 m
- Level
- Mixed field
Your 18-week plan to ČEZ Jizerská 50
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
The 60th ČEZ Jizerská 50, a 50 km classic-technique cross-country ski marathon in Bedřichov, part of Worldloppet and Visma Ski Classics. The festival runs 11–14 February 2027 and the main race is on Sunday.
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
5:15–6:20
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 ČEZ Jizerská 50 is 18 weeks away. This is how a coach divides that time. The first phase starts now.
01Base6 weeks · Oct 12, 2026 – Nov 22, 2026
Aerobic foundation: mostly steady endurance work that grows the aerobic engine and the durability the later phases stand on.
02Build6 weeks · Nov 23, 2026 – Jan 3, 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 · Jan 4, 2027 – Jan 24, 2027
The hardest weeks of the plan: race-specific intensity at nearly full training load, sharpening exactly what this race asks for.
04Taper2 weeks · Jan 25, 2027 – Feb 7, 2027
Volume drops while intensity stays: short, sharp efforts keep the legs awake as fatigue drains away.
05Race week1 week · Feb 8, 2027 – Feb 14, 2027
Openers, rest and logistics. The work is done; the job now is arriving fresh.
Frequently asked questions
When is ČEZ Jizerská 50?
ČEZ Jizerská 50 takes place on Sun, Feb 14, 2027 in Bedřichov, Czechia.
How long is ČEZ Jizerská 50?
The main route is 50.6 km.
How much climbing does ČEZ Jizerská 50 have?
ČEZ Jizerská 50 has 762 m of climbing.
Who is ČEZ Jizerská 50 for?
ČEZ Jizerská 50 has a mixed field of professional and amateur participants.
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