グランフォンド軽井沢

What this race demands

This 101.9-kilometer mountain ride requires sustained climbing capacity to manage 2,415 meters of elevation gain over a full-day effort in late October.

Target 60 to 90 grams of carbohydrates per hour to maintain energy reserves over an endurance effort lasting several hours.

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.

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 グランフォンド軽井沢 is 9 weeks away. This is how a coach divides that time. The first phase starts now.

1. 01Build3 weeks · Aug 24, 2026 – Sep 13, 2026

   Progressive overload: training load climbs in waves, with harder weeks stacked on the base and planned recovery weeks that let the gains land.

2. 02Peak3 weeks · Sep 14, 2026 – Oct 4, 2026

   The hardest weeks of the plan: race-specific intensity at nearly full training load, sharpening exactly what this race asks for.

3. 03Taper2 weeks · Oct 5, 2026 – Oct 18, 2026

   Volume drops while intensity stays: short, sharp efforts keep the legs awake as fatigue drains away.

4. 04Race week1 week · Oct 19, 2026 – Oct 25, 2026

   Openers, rest and logistics. The work is done; the job now is arriving fresh.

Similar races