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Ironman Statistics Lab

Developments and experiments with Ironman results data
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2026 Ironman 70.3 World Championship Slot Allocation Tracker
2026 Ironman 70.3 World Championship Slot Allocation Tracker

Comparing the new Performance qualification system against the older Starter based system to see who's gaining the most slots and who's losing out.

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Applying Alternative Qualification Methods to 2026 Qualifiers
Applying Alternative Qualification Methods to 2026 Qualifiers

A page for testing and comparing different ways to allocate Age Group slots to Ironman races

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2026 Ironman World Championship Slot Allocation Tracker
2026 Ironman World Championship Slot Allocation Tracker

Comparing the new Performance qualification system against the older Starter based system to see who's gaining the most slots and who's losing out.

Try it outLearn More
Ironman Qualification Slot Allocation
Ironman Qualification Slot Allocation

Do your own slot allocations. A tool allowing you to specify slot numbers athlete numbers to see the resulting slot allocation.

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Changes to Ironman Finishing Times As Athletes Age Up
Changes to Ironman Finishing Times As Athletes Age Up

A chart examining how finishing times change between age groups to show the impact of aging on performance. Explore the changes for specific age groups, positions and races.

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Ironman World Championship Qualification since 2014
Ironman World Championship Qualification since 2014

A chart exploring how slot allocation and qualification times have changes over the last decade of Ironman racing. Look at changes in slot numbers or times for specific races and age groups since 2014.

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