Next events:
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Join us for an unmissable swimming experience. 1km per hour, on the hour through the night! Enter as an individual or a team of 2. Take on the night and swim through from sundown to sunrise. ENTER Guildford or Hampton 2027
Marathon Swims
London's marathon of swimming returns to the London Aquatics Centre on Queen Elizabeth Olympic Park returns 1 November 2026. Take on the ultimate swimming challenge. Enter today
Marathon Swims Virtual Challenge
A FREE challenge. Take on the Ultra Marathon 50k, Ultra Marathon 25k or Marathon 10k throughout November. Entries now open. Enter here.
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Run the first ever 26.2 mile marathon route. Windsor Castle to White City, London. Run in the footsteps of legends. Next event: tbc. Entries open soon. More info and register your interest.
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London's longest run! This is central London's only ultramarathon - with 100KM, 50KM and 25KM distances. The first year event was a big hit, the event returns in 2027 - enter today.
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The Everyone Active Christmas Marathon is the FREE festive 'elf kick we all need. Take on a marathon over 31 days of December- Run/walk (26.2 miles), Ride (100km) or Swim (10km). Claim a FREE medal and choose from some super-cool Christmas t shirts. Challenge runs from 1 - 31 December 2026. REGISTER INTEREST