JEROEN DE MEESTER

Triathlon / Age Group

Jeroen De Meester

Driven by ambition. Shaped by experience.

MY TRIATHLON JOURNEY SO FAR

My Results.

All results

IRONMAN WORLD CHAMPIONSHIP

World Championship Runner-Up

2025 · IRONMAN World Championship, Nice · Age Group 45–49

BELGIAN MIDDLE-DISTANCE CHAMPIONSHIP

Belgian Championship Runner-Up

2021 · Belgian Middle-Distance Championship, Menen · Age Group 40–49

2026 · Belgian Middle-Distance Championship, Lac de l’Eau d’Heure · Age Group 40–49

14 Full-distance races
5 World Championship appearances

IRONMAN World Championship, Kailua-Kona, Hawaii · 2019, 2022, 2024

IRONMAN World Championship, Nice · 2023, 2025

3 Age-group victories

IRONMAN Cascais · 2021

IRONMAN Nice · 2022

IRONMAN Kalmar · 2024

2 Sub-9-hour IRONMAN finishes

IRONMAN Copenhagen · 2019 · 8:52:42

IRONMAN Kalmar · 2024 · 8:40:15

8:40:15 IRONMAN personal best

IRONMAN Kalmar · 2024

2:38:50 Marathon personal best

Antwerp Marathon · 2026

ON THE ROAD TO 2027

New goals.
Same passion.

2026 brought strong performances, new milestones and a few unexpected twists. In 2027, I want to push my limits, race for the podium and fight for the win. Every race matters. Every start is a new opportunity.

RACE CALENDAR

15 MAY

IRONMAN LANZAROTE

Full distance

26 JULY

THE CAVE TRIATHLON

Belgian Championship · Middle Distance

15 AUGUST

EMBRUNMAN

Full distance

11 SEPTEMBER

CHALLENGE ALMERE – AMSTERDAM

European Championship · Full distance

Recent stories

Race Reports.

All stories
Jeroen and Nico before the start of the Antwerp Marathon, with the MAS in the background

Antwerp Marathon 2026

Five years older, six minutes faster. At 46, I set a new marathon personal best, comfortably breaking the 2:40 barrier.

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Jeroen competing at the IRONMAN World Championship in Nice

IRONMAN World Championship Nice 2025

From a puncture just before the start to the battle for the world title. A gruelling marathon, a dramatic finish and, ultimately, a runner-up finish at the World Championship, just 1 minute and 57 seconds behind the winner.

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Jeroen competing at IRONMAN Kalmar 2024

IRONMAN Kalmar 2024

After a disrupted build-up and doubts about whether I would even make it to the start line, everything finally came together in Kalmar. A strong swim, an average cycling speed of 40 km/h and a marathon under three hours: a dream time of 8:40:15 and the age-group victory.

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BUILT AROUND PASSION. SUPPORTED BY PEOPLE.

Partners along the way.

In 2027, I will represent the deboer ProAm Team as an ambassador. My website is hosted by De Meester IT Solutions. Two different kinds of partnership, each connected to my triathlon journey in its own way.