About
Marathon Swims
The ultimate swimming challenge. Enter Marathon Swims, hosted at London Aquatics Centre, on Queen Elizabeth Olympic Park. Swimming now has its own marathon.
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Marathon Swims 2023: Saturday 11 November
Enter now for London's Marathon of swimming. Take on the Marathon 10k, Half Marathon 5k, 1k Challenge or the Team 10k.
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Charity Places:
Swim for our amazing charity partner Alzheimer's Society. Alzheimer's Society have HALF PRICE places in ALL challenge distances.
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Most of our general entry places have sold out. There are just a few half-price charity places remaining, so be quick:
Marathon 10k - 4 places remaining
Half Marathon 5k - SOLD OUT
1k Challenge - 3 places remaining
Team 10k - SOLD OUT
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Marathon Swims Virtual Challenge: 1-30 November
Enter now - FREE entry
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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:
Find out more about the Marathon Swims event format
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For further information - please see our FAQ's
Who will be the next to make it on to the Marathon Swims Hall of Fame?
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A big thank you to our Marathon Swims Partners
Enter
The Ultimate Swimming Challenge




Marathon Swims 2023
Date: Saturday 11 November 2023
London Aquatics Centre
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London's marathon of swimming returns to the London Aquatics Centre in 2023. Take on the Marathon 10k, Half Marathon 5k or the 1k Challenge. Or team up with a friend to take on the Team 10k.
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More information click here.
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Enter here.


Marathon Swims Virtual Challenge 2023
1-30 November 2023
Any swimming venue
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Marathon Swims Virtual Challenge is back! Take on the Marathon 10k, Ultra Marathon 25k or the Ultra Marathon 50k over the course of November 2023.
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FREE to enter with medals and merchandise available for purchase.
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Contact
Press and media (including latest press releases)
Email:
@MarathonSwims
Created and operated by Participation Sport Ltd.
Owned by The Swimathon Foundation

