Triathlon Lab

Races

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Open the full race catalog and use the complete search, country, brand, and distance filters.

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Race families

Distance

140.6Full distance 70.3Half distance 100KMiddle distance OlympicShort course SprintSpeed races

Featured hubs

IRONMAN HamburgRace hub WTCS HamburgWTCS series T100 SingaporeT100 series

Athletes

Athlete intelligence

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

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Athlete filterPro athletesElite profiles, scorecards, race history Athlete filterAge-group athletesIRONMAN/WTC profiles in the same athlete table

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

Start List Explorer

Start-list explorer

Podium pick research

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

Open explorer

Research workspace

Podium Pick ResearchStart-list explorer Pro RankingsForm input

Useful context

Race CatalogCourse and result hubs Athlete SearchProfile lookup

Tools

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 Age-Group Race ResultsUnified race hubs

Search ResultsPro and age-group tables Athlete SearchUnified profiles World Triathlon ReferenceOfficial context

Pro Age Group

Building race view...

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Master athlete

Melvin Welsink

Unified profile powered by master athlete and result tables.

maleNLFormer proViewing Pro

Birth year1987WT ID139859World Triathlon profile

Pro results

AG results

Races

Best finish

Race typeAll3

Race history

3 results

		Race							Finish
4	144	Europe Triathlon Challenge Long Distance Championships Almere-Amsterdam - 35-39 Open AG 202535-39 Open AGOlympic	Sep 13, 2025	01:07:58 1:47/100m	00:03:32	04:35:51 24.3 mph	00:02:53	02:59:39 6:53/mi	08:49:51
20	139	NED Middle Distance Triathlon National Championships - Elite Men 2025MPROOlympic	May 25, 2025	00:37:45 1:59/100m	-	02:17:06 24.5 mph	-	01:21:50 6:14/mi	04:20:33
10	211	NED Middle Distance Triathlon National Championships - Elite Men 2024MPROOlympic	Jul 28, 2024	00:29:41 1:34/100m	00:02:37	02:15:20 24.8 mph	00:02:01	01:20:49 6:10/mi	04:10:28