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Limelight Sports - Swimathon

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Get involved with Limelight Sports epic Swimathon, the World's largest annual fundraising swim event. Join over 20,000 swimmers who will be taking on a variety of swim challenges in more than 600 pools across the UK. Sign up to contribute to the great work of Marie Curie and Cancer Research UK.

How to enter the Limelight Sports - Swimathon

  1. Swimathon - Friday

    Swim 0.4km
    Event passed
  2. Swimathon - Saturday

    Swim 0.4km
    Event passed
  3. Swimathon - Sunday

    Swim 0.4km
    Event passed

Limelight Sports - Swimathon routes

The Swimathon is a truly unique event. Over its history the event has seen in excess of 700,000 swimmers take part since the inaugural edition in 1986. With distances from 400m (16 lengths of a 25m pool); all the way up to 5km (200 lengths of a 25m pool) - and so many in-between (including team options!), the Swimathon is absolutely a swim for all comfort levels.

The event takes place at over 600 venues across the UK and spans three days from October 16 - October 18. To find your nearest venue, simply type in your post code upon entry.

The event itself is made up of 5 individual challenges and 2 team challenges, details of which can be found below:

Individual Challenges:

400m - Now into its 3rd year, this race has become a staple of the event. Perfect for those who haven't been in the pool for a while, the challenge equates to 16 lengths of a 25m pool.

1.5k - The ideal test for novice swimmers or perhaps those who prefer the quicker format. This distance is the equivalent of 60 lengths in a 25m pool.

2.5k - A more formidable test, swimmers will finish up having completed 100 lengths of a 25m pool.

5k - The ultimate challenge and undoubtedly the event's most popular. This swim will require extensive training and commitment. At a mammoth 200 lengths of a 25m pool, this is the pinnacle of all swimming endurance tests.

Triple 5k Challenge - Now, take the 5k challenge and do it across all 3 days of the Swimathon. Again, the Triple 5k has proved ever-popular and requires significant training and prior swimming ability.

Team Challenges:

1.5k - Team up with your friends and family and take on 60 lengths of a 25m pool together.

5k - Put the call out and get all your swimming aficionados together to tackle 200 lengths of a 25m pool.

Event Details

What’s Included
  • All swimmers receive swim cap and medal
  • Towels if you fundraise more than £300 by Thursday 30th April
  • Contribute to two causes close to the nation's heart
Raceday Logistics

The Swimathon takes place across three days: Friday October 16th, Saturday October 17th and Sunday October 18th.

In order to ascertain your scheduled time, you must enter your postcode into the website link here: This will give you the location of your nearest venue as well as the pool's session times.

If you don't live close enough to any registered venues, then don't fear as you can still take part via MySwimathon Challenge at a time and location which works for you.

Cut-off times:

All swimmers - individual and teams - will have 3 hours in which to complete their respective challenges.


If the venue allows, then spectators are strongly encouraged to get along and cheer on those taking part in this epic challenge.

The great thing about Swimathon is that you don't even have to get wet to get involved.

A number of venues require volunteers to log laps, record times, support and encourage their swimmers.

If this sounds like something you would be interested in then head over to Limelight Sports volunteer form here:

Frequently Asked Questions

Does the Swimathon have an age limit?
This event is inclusive and welcomes swimmers of all levels and ages. Whether you can swim one length or 100, there is a challenge for you. However, please note the following: - All U-16s must be entered and accompanied by an adult. - Under 8's are not permitted to take part in the London Aquatics Event
What if I can't swim at some point over the weekend?
The inclusion of MySwimathon means that those keen to get involved can still tackle any of the set challenges at a location of their choice. The swim must be completed between Friday 20th March and Sunday 5th April. N.B: If you are entering MySwimathon, then there is a high chance that your chosen venue will charge you to enter the pool.
Who is this event in aid of?
The Swimathon's key charities are Cancer Research UK and Marie Curie, with over 70% of the total funds raised going toward these great causes.

Meet the organiser

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We work with leading brands, engaging their audiences through active experiences. Providing a platform for meaningful real-life connections we create and deliver campaigns with guaranteed results. From insight-led big ideas to strategy to execution, with over 25 years’ experience, we are the agency of the Active World. Our work with global brands such as Nike, J.P.Morgan, Royal Bank of Canada and ESPN Digital allows us to create and deliver campaigns around the world.

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