IJsselmeer Challenge takes place on Sat, Sep 19, 2026 in Lelystad, Netherlands. The main route is 300 km.
- Date
- Sat, Sep 19, 2026
- Start
- Lelystad 🇳🇱
- Distance
- 300 km
- Level
- Open to all
The IJsselmeer Challenge is a challenging cycling sportive around the IJsselmeer and Markermeer in the Netherlands, offering multiple distances up to 300 km.
Official event pageWhat this race demands
The IJsselmeer Challenge demands exceptional endurance to complete a 300-kilometer cycling sportive around the IJsselmeer and Markermeer.
Ultra-distance endurance
Covering 300 kilometers requires maintaining consistent output over many hours in the saddle, testing both aerobic capacity and muscular stamina.
Pacing discipline
The extreme distance necessitates strict adherence to a sustainable power or heart rate zone from the start to prevent premature fatigue.
Given the extended duration well beyond 2.5 hours, athletes should target an intake of 60 to 90 grams of carbohydrates per hour to maintain energy balance.
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
9:20–11:15
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 IJsselmeer Challenge is 4 weeks away. This is how a coach divides that time. The first phase starts now.
01Peak1 week · Aug 23, 2026 – Aug 29, 2026
The hardest weeks of the plan: race-specific intensity at nearly full training load, sharpening exactly what this race asks for.
02Taper2 weeks · Aug 30, 2026 – Sep 12, 2026
Volume drops while intensity stays: short, sharp efforts keep the legs awake as fatigue drains away.
03Race week1 week · Sep 13, 2026 – Sep 19, 2026
Openers, rest and logistics. The work is done; the job now is arriving fresh.
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