Leiden Science Run - 21 June 2025

Are you ready for an energetic challenge full of team spirit and fun? On Saturday 21 June 2025, the Leiden Science Run is back! To celebrate 450 years of Leiden University, we’ll be running a relay of 4.5 kilometres (per runner) right through the vibrant Leiden Bio Science Park.

Form a team of four, lace up your running shoes, and support the LUF Children’s Fund. Whether you're a seasoned runner or just looking for a fun day out with colleagues, friends, or fellow students – everyone is welcome! 

The Leiden Science Run is the perfect combination of sport, solidarity and supporting a good cause. Don’t miss out – sign up now and we’ll see you at the starting line!