Behind every top triathlon performance lies the same passion: the drive to push boundaries. At Woest Sport, it’s not just about the best materials, but about the people who test them, wear them, and push them to the limit. Together, they form a dynamic mix of elite athletes and inspiring creators.

Menno Koolhaas

Explosive and incredibly strong. Menno competes at the highest level worldwide and shows that with the right focus and equipment, you can compete for a podium spot in Ironman pro races. 

  • 1st Ironman Arizona 2025
  • 4th Challenge Roth 2026
  • 5th Ironman World Championship Hawaii 2024

Mitch Kolkman

The specialist in the shorter, lightning-fast distances. Mitch brings fire and energy to the World Triathlon races and pursues his Olympic dreams. In 2024, he already competed in Paris.

  • 8th World Triathlon Championship Series Karlovy Vary 2026
  • 3rd World Cup Rio de Janeiro 2026
  • 3rd Supertri FInal Jersey 2026

Niek Heldoorn

Born with endurance DNA and a fixture on the international long-distance circuit. Niek knows better than anyone what it takes to dominate an Ironman. Niek performs at his best in triathlons with a lot of elevation gain, especially considering his descending skills.

  • 1st Embrunman 2026
  • 3rd Challenge Almere-Amsterdam 2026

Ian Pennekamp

A hard-working athlete with unstoppable drive. Ian continues to develop himself in triathlon and guarantees pure dedication and determination over the short distances.

  • 10th World Triathlon Championship Series Samarkand 2026
  • 8th European Championship Tarragona 2026
  • 11th World Triathlon Championship Series Karlovy Vary 2025

Dieske Kruisselbrink

Powerful, versatile, and always ready to fight. Dieske combines her passion for endurance sports with an unparalleled winning mentality on both national and international courses. She may perform at her best in technically challenging off-road triathlons.

  • 2nd European Cross Triathlon Championships, Banyoles 2026
  • 2nd European Duathlon Championships (middle distance), Alsdorf 2026
  • 9th Challenge Almere-Amsterdam 2026

Anette Visser

With her infectious energy and eye for detail, Anette takes her followers along on her athletic journey. She shows how to perfectly combine enjoyment and performance.

Rutger Letschert

Whether he is cycling, putting on his running shoes, or heading out into nature, Rutger captures the raw, authentic side of endurance sports and inspires everyone to get moving.

Sophie van der Vlies

Sophie shares her passion for the outdoors and sport with a fresh perspective. Her content reminds us why we started exercising in the first place: freedom.