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Maarten dives into the Frysian water

Event date: 21-06-2019

Maarten van der Weijden attempts to finish the ‘11stedenzwemtocht’ - a swimming tour which passes through eleven Frysian cities -  again on June 21st

With this adventure he supports a research project into rhabdoid tumors conducted by Máxima researchers Jarno Drost and Eelco Hoving and sponsored by KiKa.
More information: https://www.11stedenzwemtocht.nl/