Swim Serpentine 2026 Registration type:Registration fee Wear yours with pride and

Wear yours with pride and walk towards a cure

Understanding Brain Tumours

Run for research at one of the UK’s fastest marathon courses

Part of the charity’s exclusive range of designer brooches inspired by the work of couture milliners who donate their time and expertise to help raise vital funds and awareness

Choose from four distances: half a mile

Swim Serpentine 2026 Registration type:Registration fee Wear yours with pride and2026 Event Sold Out. Register your interest for 2027. Whether you are a first time open water swimmer or seasoned pro, Swim Serpentine is a great challenge to make a splash with your fundraising for Brain Tumour Research. Choose from four distances: half a mile, one mile, two miles or six miles and complete your challenge against the stunning backdrop of the Serpentine in Londons Hyde Park. Dive in to this memorable challenge, make memories to last a