Marathon Swims
Marathon Swims
Marathon Swims is London’s marathon of swimming. The annual event at the London Aquatics Centre, on Queen Elizabeth Olympic Park is in its 8th year and will take place on 1 November 2026. Swimming now has its own marathon.
Alzheimer’s Society and Level Water have charity places in all distance challenges. Exclusive charity place sales operate between 5 March to 26 March 2026.
A ballot will operate for the Half Marathon 5k and the Marathon 10k. Ballot launch date: Thursday 26 March 2026. The ballot will run until Thursday 30 April 2026. Entries notified in early May.
General entry tickets for the 1k Challenge and Team 10k will open Thursday 26 March 2026.
The Marathon Swims Virtual Challenge runs between 1-30 November 2026. FREE entry to swim a Marathon 10k, Ultramarathon 25k or Ultramarathon 50k over 30 days. Register your interest to hear about this year’s virtual challenge.