The Big Chill 25
Schedule
Sat, 24 Oct, 2026 at 12:00 pm to Sun, 25 Oct, 2026 at 01:00 pm
UTC+01:00Location
Cheltenham Lido, Keynsham Road, GL537PU Cheltenham, United Kingdom | Cheltenham, EN
Advertisement
Are you brave enough?Take on the ultimate endurance challenge at Cheltenham Lido - a 25-hour continuous team relay swim running from midday Saturday to midday Sunday (yes… a full 25 hours thanks to the clocks going back!).
This unique cold-water event is all about teamwork, resilience and community spirit, as teams of 4-10 swimmers keep their lane moving through the day… and the night 🌙
How it works:
🏊 One swimmer from each team in the water at all times
⏱️ Rotate every hour, on the hour
❄️ Cold water conditions (12-15°C) -wetsuits recommended!
Camping available onsite + warm spaces to keep you going
Includes an exclusive Big Chill bobble hat.
This event is proudly delivered in partnership with the NHS, and all fundraising and profits are split equally between TWO incredible causes:
Cheltenham Lido
NHS Charities / The Big Space Cancer Appeal
Every length you swim helps support both your local lido and vital NHS services 💙
💷 Entry: £36 per person
🎯 Fundraising pledge: £200 per participant
Grab your team, take the plunge, and be part of something unforgettable.
Advertisement
Where is it happening?
Cheltenham Lido, Keynsham Road, GL537PU Cheltenham, United Kingdom, 20 Keynsham Road, Cheltenham, GL53 7PX, United KingdomEvent Location & Nearby Stays:
Know what’s Happening Next — before everyone else does.
