IRONMAN Japan South Hokkaido 2026
September 13, 2026
Hokkaido, JP
About
A full-distance IRONMAN staged on Japan's southern Hokkaido coast, featuring an ocean swim in the Tsugaru Kaikyo straits, a rolling bike leg on the closed, no-speed-limit Hakodate-Esashi expressway through famous tunnels, and a mostly flat run through the scenic country roads of Kikonai. Athletes finish amid warm local support with post-race relaxation in Hakodate's hot springs and access to South Hokkaido's noted seafood and steaks.
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Why this race
- Listed on the official IRONMAN, 70.3 and 5150 calendar.
The information shown here is based on the most recent listing we could find, and may change. Always confirm details on the event's official site before registering.