London's marathon of swimming. Hosted at London Aquatics Centre, on Queen Elizabeth Olympic Park. Swimming now has its own marathon.
Marathon Swims 2024: Saturday 9 November 2024
Save the date and be ready to enter the ultimate swimming challenge. Challenges include the Marathon 10k, Half Marathon 5k, 1k Challenge or the Team 10k. Marathon Swims sells out every year, so early entry is recommended.
Charity entry - opens Thursday 22 February 2024
All other categories - opens Thursday 29 February 2024 (including the Marathon 10k ballot)
To be first to hear about the launch of London's Marathon of Swimming in 2024, make sure you Register your interest.
Marathon Swims Virtual Challenge:
The Marathon Swims Virtual Challenge will return 1-30 November. This challenge will launch in June 2024.
Marathon Swims format:
We've innovated in swimming to give you instant, reliable results using RFID chip technology to deliver an engaging, exciting challenge event (for spectators as well as participants). No need for lap counting or endless laps of the same lane.
Watch our 30 second Marathon Swims format explainer video:
Checkout out our previous
Marathon Swims events at the London Aquatics Centre:
The Ultimate Swimming Challenge
Marathon Swims 2024
Date: Saturday 9 Nov 2024
London Aquatics Centre
London's marathon of swimming returns to the London Aquatics Centre in 2024. Take on the Marathon 10k, Half Marathon 5k or the 1k Challenge. Or team up with a friend to take on the Team 10k.
Register your interest today and be first to hear when we launch
Marathon Swims Virtual Challenge 2024
1-30 November 2024
Any swimming venue
Marathon Swims Virtual Challenge is back! Take on the Marathon 10k, Ultra Marathon 25k or the Ultra Marathon 50k over the course of November 2024.
FREE to enter with medals and merchandise available for purchase.