Programme

Register for the Utrecht Science Week!
Get your calendar ready! Utrecht Science Week 2026 runs from Friday, September 25 to Sunday, October 4. For ten days, we will dive into the world of great ideas, surprising discoveries, and groundbreaking innovations. Make sure you’re there!
The first program items have been announced, and more will follow in the coming weeks! For instance, this sixth edition kicks off on September 25 with a keynote by Juliette Legler on the hidden influence of environmental chemicals. Register via the programme below.
Friday 25 September
Monday 28 September
Thursday 29 September
Wednesday 30 September
Thursday 1 October
Friday 2 October
Sunday 4 October

Opening Utrecht Science Week with keynote by Juliette Legler on the hidden influence of environmental chemicals
On Friday, September 25, the annual science festival ‘Utrecht Science Week’ kicks off once again at Utrecht Science Park. We are pleased to announce that this year, Prof. Dr. Ir. Juliette Legler will deliver the Utrecht Science Lecture. Juliette Legler is Professor of Toxicology at the Faculty of Veterinary Medicine at Utrecht University and leads the ‘One Health Toxicology’ group at the Institute for Risk Assessment Sciences (IRAS).

Date Utrecht Science Week 2025 announced: 26 September to 5 October
The Utrecht Science Week 2024 was a great success! For over a week, you could visit inspiring events around (applied) science and innovation at the Utrecht Science Park. We are now preparing for the fifth edition of Utrecht Science Week, which will take place from Friday 26 September to Sunday 5 October 2025.

Betweter Festival during Utrecht Science Week 2026: your idea for an experiment is welcome!
Utrecht Science Week kicks off this year on Friday, September 25th. The Betweter Festival at Tivoli Vredenburg is the ever-popular opening night event. This year marks the tenth edition of the Betweter Festival. This art and science festival, where visitors immerse themselves in a unique mix of talks, music, film, interactive installations, and live research, is inviting participants to submit ideas for experiments during the festival.

Utrecht Science Week 2026
From 25 September to 4 October, we enjoy a rich and varied programme of appealing lectures, interactive workshops, guided tours and high-profile interviews, around (applied) science at the Utrecht Science Park. Events such as the Betweter Festival, the Weekend van de Wetenschap and the Sustainability Day are also part of the programme.
















