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

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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

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Reference

World Triathlon ReferenceOfficial context ChangelogUpdates

Pro Age Group

Building race view...

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Master athlete

Zach Larsen

Unified profile powered by master athlete and result tables.

maleUSAge GroupViewing AG

IDs>

WTC ID01ecf90b-7047-f111-bec6-002248046ec8

Pro results

AG results

Races

Best finish

#540

Race history

1 results

2026 IRONMAN 70.3 Boulder

Jun 14, 2026halfM18-24

#540

Place

Finish

6:00:04

Swim

0:48:08

Bike

3:11:35

Run

1:50:52

		Race							Finish
540	1076	IRONMAN 70.3 Boulder 2026Age Group70.3	Jun 14, 2026	0:48:08 2:32/100m	0:05:39	3:11:35 17.5 mph	0:03:50	1:50:52 8:27/mi	6:00:04