Triathlon Lab

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Athletes

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Rankings

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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

Fons Miermans

Unified profile powered by master athlete and result tables.

maleBEAge GroupViewing AG

IDs>

WTC ID6d29834f-c175-ef11-a670-00224808894b

Pro results

AG results

Races

Best finish

#248

Race history

1 results

2025 IRONMAN 70.3 Duisburg

Sep 8, 2025halfM25-29

#248

Place

Finish

4:51:59

Swim

0:33:52

Bike

2:26:02

Run

1:40:03

		Race							Finish
248	1876	IRONMAN 70.3 Duisburg 2025Age Group70.3	Sep 8, 2025	0:33:52 1:47/100m	0:08:52	2:26:02 23.0 mph	0:03:10	1:40:03 7:38/mi	4:51:59