Prik er 10 voor 10

When you go jogging around the Gooise Meren on September 15, make sure to pick up at least 10 pieces of trash before 10 o'clock. 

WHEN
September 15, 2018 at 10am - 1pm
WHERE
Gooise Meren
Naarden, NH 1411 AA
Netherlands
Google map and directions

Will you come?