Give 5 Km of comfort

TK Challenge Foundation

The TK Challenge Foundation aims to support organisations and initiatives that champion vitality. Think themes such as health, sportsmanship and social cohesion. TK Challenge is a Leiden initiative. Therefore, they are happy to cooperate in connecting within the Leiden region, provided they contribute to Vitality.

The TK Challenge is about vitality. The community consists of runners, cyclists and swimmers, both employees and clients and relations of our firm TK.

Friday, June 7, 2024 – TK Challenge Bio Science Parkrun


De TK Challenge Bio Science Parkrun zal starten bij TeekensKarstens advocaten notarissen Vondellaan 51 in Leiden.

The route is spread across the Bio Science Park

  • Date: 7 Jun 2024
  • Start: at 16:30 the starting shot will sound
  • Distance: A low-threshold 5 km run
  • Finish: unknown as yet


For participation, we will charge €20.00. This contribution will entirely benefit the Willem-Alexander Children’s Hospital. This contribution will enable them to continue the renovation and furnishing of a child-friendly hospital.

The amount we all raise will be used for a Qwieck-up for the recovery room. A Qwieck-up is aimed at activating patients mentally on the one hand, but also allowing them to relax when the situation calls for it.

Registration is possible until Friday 31 May 2024

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