IRONMAN Japan South Hokkaido

IRONMAN Japan South Hokkaido course: how fast are the swim, bike and run?

IRONMAN Japan South Hokkaido: 1.4% faster than the median course (bike 1.3% slower, run 1.5% faster, swim 0.0% slower). The same athletes' times compared across every course, and a time predictor.

Hokkaido, Japan; 40 World Championship slots; a course 1.4% faster than the median one; 1,098 finishers in 2026.

Every age group, the swim, bike and run, and your own result: free with an account. Sign up free

• Slots and qualifying times
• How 2026 played
• 2026 results
• Who races
• Course speed
• Over the years
• Every race