Sarah Long
Community Advocacy
Join hundreds of schools, workplaces and communities across the UK for Brain Tumour Research's biggest fundraising event of the year.
Wear A Hat Day in support of Brain Tumour Research is the biggest and most fun way to help fund the fight against brain tumours.
Hear from real people affected by brain tumours. Their stories are the reason every hat matters.
Community Advocacy
Schools Advocacy
Business Advocacy
Three easy steps. That's all it takes to make a difference.
Sign up for free — tell us about your event, whether it's at school, work, or in your community.
Our community fundraising team is on hand to help every step of the way.
Host your event on Friday 27th March and raise vital funds for brain tumour research.
Since it began, Wear a Hat Day has united people across the UK in the fight against brain tumours.
Together we will find a cure
Download your free pack today and join hundreds of people across the UK fighting brain tumours — one hat at a time. Friday 27th March 2026.