Triathlon Lab

Races

Search your way

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

View all races

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.

View all athletes

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

Rankings

Ranking models

Open the right ranking table

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

View all rankings

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

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

Open startlists

Startlist workspace

StartlistsResearch workspace Prediction ReviewCompleted race audits

Useful context

Race CatalogCourse and result hubs Athlete SearchProfile lookup

ToolsWIP

Research tools

Find the right research path

A compact set of working tools for planning, searching results, and choosing races.

View tools

Planning

Kona FinderSlot-fit planner Race FinderCourse and race catalog

Reference

World Triathlon ReferenceOfficial context ChangelogUpdates

Building race view...

Back to athletes

Master athlete

Sem Nootebos

Note

Private research note

Unified profile powered by master athlete and result tables.

maleNLAge GroupViewing AG

IDs>

WTC ID8448b074-10df-ef11-8eea-000d3a5ae96c

Pro results

AG results

Races

Best finish

#350

Race history

1 results

2025 5150 Westfriesland

Jun 22, 2025fullM18-24

#350

Place

Finish

3:41:55

Swim

0:37:44

Bike

1:32:18

Run

1:13:25

		Race							Finish
350	3208	5150 Westfriesland 2025Age Group140.6	Jun 22, 2025	0:37:44 1:00/100m	0:10:40	1:32:18 72.8 mph	0:07:48	1:13:25 2:48/mi	3:41:55