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Marathon Swims Partners

Marathon Swims Owners

The Swimathon Foundation is the charity behind the world's biggest fundraising swim, Swimathon and owners of Marathon Swims..


 In their 30 year history, Swimathon swimmers have raised an incredible £50 million for such well known charities as Marie Curie, Sport Relief, Macmillan Cancer Support, NSPCC, The British Heart Foundation and The Prince's Trust.

The Swimathon Foundation also supports smaller organisations that are involved with local swimming projects through its Community Grants scheme. In the past a variety of initiatives, including swimming programmes for those with special needs, participation schemes by youth groups, clubs for the elderly, swimming clubs and disability groups have all benefitted from its support.


Alzheimer's Society is the official charity partner of Marathon Swims 2023. 

By 2025, there will be 1 million people in the UK living with dementia.

Alzheimer’s Society are the only UK charity who fund research, act as a powerful force for change through campaigning, and give expert advice, guidance and support through the most challenging days for people affected by dementia. We are a safe space to turn when people need us, giving help and hope to everyone living with dementia that there is a brighter future ahead.


Marathon Swims Founding Partner

Established in 1993, GLL is the largest UK-based charitable social enterprise delivering leisure, health and community services. Under the consumer facing brand Better, the organisation operates more than 300 public sport and leisure centres and 88 libraries in partnership with more than 30 local councils, public agencies and sporting organisations. Better leisure facilities enjoy 40 million visitors a year and have more than 650,000 members.

GLL exists to make community services and spaces better for everyone. In practice, that means investing all profits back into providing quality leisure and fitness facilities for the good of the communities where GLL operates. Alongside the organisation's core leisure and library divisions, GLL runs sport and legacy development, health intervention and education, as well as offering the GLL Sports Foundation, one of the largest independent support programmes for talented young athletes in the UK.

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KitBrix, keep it together, the ultimate modular bag system.


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Outdoor Swimmer Magazine

Outdoor Swimmer is the magazine for outdoor swimmers by outdoor swimmers. Each issue of Outdoor Swimmer magazine is a celebration of swimming outdoors in which we share inspirational stories, wild swimming spots, technique advice, training sessions and stunning photography.


Participation Sport Ltd.

Participation Sport Ltd. are the creators and founders of Marathon Swims. The Participation Sport team have over 15 years experience in creating, promoting and operating mass participation sport events in the UK and overseas.

Participation Sport Ltd. are also the creators of Ultra London - London's ultra marathon.


Wavecrest Swimming

Swimming coaching company Wavecrest Swimming was founded by Head Coach Cassandra Patten, an Olympic Bronze Medallist, double World Championship Silver Medallist, European Cup Champion, Swimming World Cup Winner, a professional swimming coach and most importantly an enthusiastic approachable person who takes great joy from helping people to improve and enjoy their swimming.


Surprise yourself with a unique type of holiday. SwimQuest specialise in helping people of all ages and abilities explore and enjoy the open water, and have recently won the Feefo Gold Trusted Service Award for their outstanding customer reviews.


Complete beginners and experienced swimmers can benefit from SwimQuest’s expert swim coaching and beautiful island-to-island and coastal swimming. Just like a walking or a cycling holiday, this is a fantastic way to explore stunning parts of the world from a unique, aquatic vantage point, meet like minded individuals and come home energised.

To find out more, visit 

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