12 hour Challenge SnowWorld
Charlotte van der Veen2025-10-28T13:46:34+01:00Would you like to participate in the 12 hour Challenge in SnowWorld Zoetermeer? Check out the possibilities here.
Practical info & accommodation tips
Thijs Kroezen2025-10-16T16:06:45+02:00All practical information such as the program, equipment and accommodation in Switzerland can be found on this page.
12 hour Challenge in the media
Justine Haantjens2025-05-13T13:42:31+02:0012 Hour Challenge in the media. Get inspired.
12 hour Challenge Netherlands
Charlotte van der Veen2025-11-04T11:50:14+01:00Rather participate in the 12 hour Challenge in the Netherlands? Then hook up with one of the indoor courses!
Tips for your crowdfunding and imagery
Charlotte van der Veen2025-11-12T12:41:26+01:00Read tips for a successful crowdfunding campaign and download images and text here.
FAQ 12 hour Challenge
Jorien Korn2025-09-16T09:34:07+02:00Here you can read the answers to the most frequently asked questions by participants in the 12 Hour Challenge.
Sponsor the 12-hour Challenge
Thijs Kroezen2025-05-13T13:44:30+02:00Would you like to contribute (financially) to the 12 hour Challenge and the Mentelity Games? Check out the possibilities here.