Triathlon Lab

Races

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Athletes

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Search the combined athlete catalog, then switch between pro and age-group context as needed.

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Rankings

Ranking models

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

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Race rankings

IRONMAN Pro SeriesOfficial series

T100 Race RankingsT100 only

WTCS Race RankingsWorld Triathlon

Power rankings

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

Startlists

Startlist tools

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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

Building race view...

Back to athletes

Master athlete

Johnson Tsai

Note

Private research note

Unified profile powered by master athlete and result tables.

maleTWAge GroupViewing AG

IDs>

WTC IDfa6e6660-cb29-f011-8c4d-000d3a35ffc1

Pro results

AG results

Races

Best finish

Race history

1 results

2025 IRONMAN 70.3 Kenting

Nov 2, 2025halfM60-64

Place

Finish

8:35:51

Swim

1:01:18

Bike

3:52:17

Run

3:15:00

		Race							Finish
—	2107	IRONMAN 70.3 Kenting 2025Age Group70.3	Nov 2, 2025	1:01:18 3:14/100m	0:15:49	3:52:17 14.5 mph	0:11:27	3:15:00 14:52/mi	8:35:51