Sign up for SUP for Sustainability

Join us on Saturday 30 August 2025 for a Stand Up Paddleboarding (SUP) and canal clean-up session on Leiden’s canals with Plastic Soup Surfer Merijn Tinga.

10:00 - 14:00, Old Observatory, Leiden

First and last name *

Student number *

Email address *

Faculty *

Do you have experience with stand-up paddleboarding (SUP)? *

I'm a beginner

I've done it a few times

I have a lot of experience

Do you wish to sign up alone or as part of a group?

Note: Everyone in the group must register individually *

Alone

With a group (max. 8 people per group)

If you signed up with a group, please enter your group name below:

Do you have any food allergies or dietary restrictions?
(If yes, please specify)

I am participating in SUP for Sustainability on Saturday 30 August at 10am. *