Register your interest for 2026 by filling in the form below.
Take the plunge and make every stroke matter for MS in this ultimate open-water swimming challenge. Every penny you raise makes such a difference. With your help, we can reach more people with multiple sclerosis (MS) and support them to lead happier and healthier lives.
Date Saturday 19 September 2026
Fundraising Target £300
Registration fee £20
Swim Serpentine is a must-do one-day open water swimming festival at the beautiful Serpentine in Hyde Park, the venue for the open water swimming competition at the London 2012 Olympic Games.
All your needs are catered for with heated changing rooms, a dunk zone, a pontoon start and finish, a full water safety crew, hot tubs and an exhibition area.
We have places available in the 1 mile and 2-mile distances. If you have already completed The Virgin Money/TCS London Marathon and The RideLondon 100 take on the 2-mile challenge to achieve your coveted London Classics medal.
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