Cycling

サイクリングしまなみ

サイクリングしまなみ takes place on Sun, Oct 25, 2026 in 今治市, Japan. The main route is 140 km.

日本最大規模の国際サイクリング大会であり、普段は自転車で走れない瀬戸内しまなみ海道（西瀬戸自動車道）の高速道路本線を特別に走行できるファンライドイベントです。

What this race demands

This 140 km road ride demands sustained endurance and efficient pacing over a full-day effort on a closed-highway course.

Sustained Endurance

Covering 140 kilometers requires a deep aerobic base and the capacity to turn the pedals continuously for many hours.

Pacing Control

A distance of this length necessitates disciplined energy management early in the ride to prevent late-stage fatigue.

Target 60 to 90 grams of carbohydrates per hour to maintain energy output across an expected duration exceeding four hours.

Pick the level closest to yours for an estimate of finish time on this course and the training a solid preparation needs.

Estimated finish

4:20–5:15

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

Race day at サイクリングしまなみ is 9 weeks away. This is how a coach divides that time. The first phase starts now.

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.
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.
03Taper2 weeks · Oct 5, 2026 – Oct 18, 2026
Volume drops while intensity stays: short, sharp efforts keep the legs awake as fatigue drains away.
04Race week1 week · Oct 19, 2026 – Oct 25, 2026
Openers, rest and logistics. The work is done; the job now is arriving fresh.

Organising this race?