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

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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

Start List Explorer

Start-list explorer

Podium pick research

Research a start list with linked athlete profiles, recent form, scorecards, and course context.

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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

Greg Hartzler

Unified profile powered by master athlete and result tables.

maleUSAge GroupViewing AG

IDs>

WTC IDf8dacc0f-78a1-f011-bbd3-000d3a5cf7d8

Pro results

AG results

Races

Best finish

#961

Race history

1 results

2026 IRONMAN 70.3 Boulder

Jun 14, 2026halfM25-29

#961

Place

Finish

6:43:03

Swim

0:49:32

Bike

3:21:24

Run

2:16:43

		Race							Finish
961	505	IRONMAN 70.3 Boulder 2026Age Group70.3	Jun 14, 2026	0:49:32 2:36/100m	0:08:12	3:21:24 16.7 mph	0:07:12	2:16:43 10:26/mi	6:43:03