Japanese Odyssey
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Japanese Odyssey

Kagoshima, Japan, Japan October 2, 2026
Difficulty Profile
TERRAIN
CLIMBING
HEAT
2300 km Distance
46000 m Elevation
Road Surface
Extreme Difficulty

What to Expect on Japanese Odyssey

The Japanese Odyssey is an unsupported cycle adventure. It means that the organisation doesn’t provide any support, and that private support or assistance is prohibited. Once you cross the starting line, you are truly on your own.

We want to ensure equal opportunity for all riders, either local or non-Japanese. This means pre-arranged support are not allowed. You may eat, sleep, and service your bike at places also available to the other riders or at commercial shops. The Japanese Odyssey is a demanding adventure. And yet, it is not a race. There won’t be any ranking, nor official finishing times. Successful riders will be those who accomplish the whole course within 13 days.

Some riders will try to reach the finish line as fast as possible, challenging themselves to the extreme. Others will ride for the sheer pleasure of making it to the finish line. As long as you cross the finish line in time while having passed all the mandatory segments and checkpoints, you’re a finisher.

Bike Setup for Japanese Odyssey

Bike Endurance Road Bike
Tires 30-35mm Tubeless
Cassette 10-36T
Chainring 46/30T-50/34T (2x)

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Frequently Asked Questions

How long is Japanese Odyssey?

Japanese Odyssey covers 2300 km with 46000 m of climbing along the way — a steadily rolling profile from start to finish.

What bike do I need?

A Endurance Road Bike is the right tool for Japanese Odyssey. Set it up with 30-35mm Tubeless rubber and gear it low — a 46/30T-50/34T (2x) chainring and 10-36T cassette will keep you spinning on the steeper sections.

How difficult is it?

Japanese Odyssey carries an overall difficulty rating of Extreme. The terrain itself is mostly smooth, fast-rolling surfaces, the climbing is relentlessly mountainous, climbing almost the entire way, and conditions tend to run mild and generally comfortable.

When does it take place?

Japanese Odyssey takes place on October 2, 2026. That puts it in autumn, as conditions start cooling but daylight hours are shrinking.

What surface is it?

Japanese Odyssey's route is road. Plan your tire choice around 30-35mm Tubeless for the best combination of speed and comfort.