ツール・ド・ちば takes place on Sat, Oct 10, 2026 in 木更津市, Japan. The main route is 108 km.
- Date
- Sat, Oct 10, 2026
- Start
- 木更津市 🇯🇵
- Distance
- 108 km
- Level
- Open to all
木更津市のかずさアカデミアパークを発着地として房総丘陵や海岸線を巡る約108kmのロングコースなどを走るサイクリングイベントです。
Official event pageWhat this race demands
This 108 km cycling event requires sustained aerobic endurance to cover the long distance across coastal and hilly terrain.
Aerobic endurance
Covering 108 km requires a well-developed aerobic engine and the ability to maintain steady pacing over several hours in the saddle.
Terrain versatility
The route traverses both coastal roads and the Boso丘陵 hills, demanding adaptability to rolling topography and changing wind conditions.
A ride of this distance will likely exceed three hours, requiring a consistent intake of 60 to 90 grams of carbohydrates per hour to maintain performance and prevent glycogen depletion.
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
3:10–3:50
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 ツール・ド・ちば is 7 weeks away. This is how a coach divides that time. The first phase starts now.
01Build1 week · Aug 23, 2026 – Aug 29, 2026
Progressive overload: training load climbs in waves, with harder weeks stacked on the base and planned recovery weeks that let the gains land.
02Peak3 weeks · Aug 30, 2026 – Sep 19, 2026
The hardest weeks of the plan: race-specific intensity at nearly full training load, sharpening exactly what this race asks for.
03Taper2 weeks · Sep 20, 2026 – Oct 3, 2026
Volume drops while intensity stays: short, sharp efforts keep the legs awake as fatigue drains away.
04Race week1 week · Oct 4, 2026 – Oct 10, 2026
Openers, rest and logistics. The work is done; the job now is arriving fresh.
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