Triathlon Lab

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Athletes

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Rankings

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Race-feed rankings and Triathlon Lab power indexes for current pro form.

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Race rankings

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Power rankings

Long-Course Power Index70.3 + T100 Full-Distance SpecialistsFull IM first Middle-Distance Specialists70.3/T100 first Short-Course SpecialistsWTCS required

Start List Explorer

Start-list explorer

Podium pick research

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Research workspace

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Useful context

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ToolsWIP

Research tools

Find the right research path

A compact set of working tools for planning, searching results, and choosing races.

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Planning

Kona FinderSlot-fit planner Race FinderCourse and race catalog

Reference

World Triathlon ReferenceOfficial context ChangelogUpdates

Pro Age Group

Building race view...

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Master athlete

Stephanus Kemp

Unified profile powered by master athlete and result tables.

maleZAAge GroupViewing AG

IDs>

WTC ID4cc7bc3a-8201-f111-8406-0022480995bd

Pro results

AG results

Races

Best finish

#903

Race history

1 results

2026 IRONMAN 70.3 Durban

Jun 7, 2026halfM18-24

#903

Place

Finish

6:32:37

Swim

0:41:42

Bike

3:40:03

Run

2:00:59

		Race							Finish
903	499	IRONMAN 70.3 Durban 2026Age Group70.3	Jun 7, 2026	0:41:42 2:12/100m	0:06:16	3:40:03 15.3 mph	0:03:37	2:00:59 9:14/mi	6:32:37