This months Race of the Month with five (!) different distances has definitely one distance that will suit you. It is a pretty big event for a small price! Don't hesitate to join!
More info: https://zuiderparkloop.nl/
Distance: 5k, 10k, 15k, 20k or 25k
Price: 12,50€ for the 5k and 10k, 15,50€ for the 15k, 20k and 25k.
Starting time: 10:30
Subscription: Online until one day before the event!
Address: Zuiderpark, Rotterdam