Races Age Groups

Ironman Japan

2025 Split Distributions
ResultsDistroQualifiersAveragesFinishers

Results distributions for Ironman Japan 2025.

  • Filter results to see the performance of precise groups within the race.
Donate
Support the Stats

Found these statistics useful?

I've dedicated many hours to the gathering and analysis of Ironman results and made the data and tools to examine it freely available on this site. You can help support my ongoing development and maintenance of these resources through a donation.

Donate

All donations are greatly appreciated.

Splits Distributions

Building

Building

Unable to display distribution.
Manual Allocation
Allocation Method
Allocate slots by normalised Performance (2026 onwards) or AG Start numbers (pre-2026)
Allocated Slots
Slots allocated separately for men and women
Or
Slots allocated across genders
Reset Allocation
Apply Allocation
Filters
Gender & Age
Split Times
to
to
to
to
Reset Filters
Apply Filters
Distribution of Splits at Ironman Japan 2025
Triathlon Coaching
Bespoke triathlon coaching packages and individual training plans
Get fitter, get faster
Proven, effective coaching for all.
Reach your goals.
Qualification Review
Personalised analytics and guidance for your World Championship qualification journey
Find your Race
Find the best race for you.
Personal race analysis to guide your season.
Training Camps
Triathlon training camps based in Lanzarote
Kickstart Training
Kickstart your training.
Triathlon training based in Lanzarote.
Ironman Japan Articles
Distribution of Finisher Splits at Ironman Japan 2015 With 2013-2014Ironman Japan 2015: Results and Analysis
Median Splits by Age Group at Ironman Japan 2014Ironman Japan 2014: Results and Splits
Distribution of Finisher Splits at Ironman Japan 2013Ironman Japan 2014: Past Performances and Kona Qualification
Kona Qualification of the Top 20 Male Age Groupers at Ironman Japan 2013Ironman Japan 2013: Full Results and Analysis