Register

This classic The Hague run kicks off your running season!

The NN CPC Loop is internationally known for its top-tier half marathon. The Dutch half marathon record was set here. During this running festival, athletes of all ages have the chance to excel on the beautiful, fast course. It’s truly a family event! The school run is also the largest in the country.

Run Against Cancer
If you register for the NN CPC Loop Den Haag through KWF for the full marathon and raise at least 500 euros in sponsorships by February 9, 2025, KWF will cover your bib number, and you’ll receive the unique Run Against Cancer shirt. Your participation directly contributes to a better life for people dealing with cancer. With your own Run Against Cancer fundraising page, gathering sponsorships is easier than you think!

Included with your registration

Extra to order

limited edition running shirt

A limited-edition running shirt has been designed for the NN CPC Loop Den Haag. You can order this for €27 when registering.

If you’re already registered, you can order the shirt through your personal dashboard. You’ll find the link   to your personal dashboard in the confirmation email you received upon registration.

Need help with sizing?  Check the size charts here 

Shirt of last year

Run against cancer

Run against cancer and contribute directly to a better life for people affected by cancer. Register for the NN CPC Loop Den Haag and create a fundraising page with KWF. There is no minimum amount to raise, every euro counts! Will you raise more than 500 euros? Then you will receive the unique Run Against Cancer shirt.