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Triathlon

IRONMAN Japan South Hokkaido

IRONMAN Japan South Hokkaido took place on Sun, Sep 13, 2026 in Hokkaido, Japan. The main route is 226 km.

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Date
Sun, Sep 13, 2026
Start
Hokkaido 🇯🇵
Distance
226 km
Level
Open to all

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Full-distance IRONMAN triathlon in South Hokkaido, Japan: a 3.8 km swim, 180 km bike and 42.2 km run (226 km total).

What this race demands

IRONMAN Japan South Hokkaido demands complete multi-sport durability across a continuous 226 km full-distance triathlon.

Aero and bike stamina

The 180 km cycling leg requires prolonged time trial positioning and sustained muscular endurance over a very long duration.

Marathon resilience

The final 42.2 km run tests structural durability and pacing discipline after an exhausting swim and bike.

A sustained intake of 60 to 90 grams of carbohydrate per hour is required across the extended duration to maintain output through the bike and run.

Frequently asked questions

When is IRONMAN Japan South Hokkaido?

IRONMAN Japan South Hokkaido took place on Sun, Sep 13, 2026 in Hokkaido, Japan.

How long is IRONMAN Japan South Hokkaido?

The main route is 226 km.

What does IRONMAN Japan South Hokkaido demand?

IRONMAN Japan South Hokkaido demands complete multi-sport durability across a continuous 226 km full-distance triathlon.

Who is IRONMAN Japan South Hokkaido for?

IRONMAN Japan South Hokkaido is open to all participants.

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