Official Charities

The London Triathlon is an event for everyone. Whether you are a seasoned triathlete or a newbie to the sport, we want to give all of our lovely fundraising triathletes a warm welcome. 

Are you a triathlete (or a triathlete in the making) and want to make those winter training sessions really worth it for a good cause? Take a look at the list of amazing charities below who you can fundraise for. You never know (what a difference you can make) until you TRI!

Are you a charity and want to be involved in the world’s largest triathlon? Please contact to discuss how we can Create an Active World. Together.


Join us on the start line and take part in the London Triathlon for Great Ormond Street Hospital (GOSH). Every day, 618 children and young people from across the UK arrive. Every day, doctors and nurses battle the most complex illnesses, and the brightest minds come together to achieve pioneering medical breakthroughs. Join team GOSH and make a difference to the lives of these children. A better future for seriously ill children starts here.

For more information, please visit the GOSH website here.


Phone: 0203 841 3164

By 2020, almost one in two of us will get cancer and it’s the toughest fight most of us will ever face. We want to reach and improve the lives of everyone living with cancer and we need your support. Join team Macmillan at the London Triathlon and help us raise vital funds to support our work.

Together we are all Macmillan.

For information about Macmillan charity places visit our website.

Contact: Simon Mihailovic


Phone: 020 7840 7878


Dementia is the UK’s biggest killer. We can beat it, but we can’t do it alone. Alzheimer’s Society is the UK’s leading dementia charity. We need you to join our team. We need your miles, your energy, your determination to help us find a cure. We know that training for a triathlon isn’t easy. But we need you to beat that snooze button, beat the elements, beat the wall – beat everything that stands between you and the finish line. Tri for us and join the race to beat dementia.

Contact email address:

Contact number: 0330 333 0804


Cancer Research UK is the only charity fighting over 200 types of cancer and our life-saving research will bring forward the day where all cancers are cured. The generosity of our supporters has enabled the charity to lead the way in discovering and developing newer, kinder treatments and cures.

Get your free place and join us at the London Triathlon, as together we will beat cancer!

Telephone: 020 3469 6787



As part of our growing charity programme, charities can now purchase 1-4 places in the London Triathlon through our partner Sport for Charity.

Sport for Charity are providing an accessible and all inclusive entry route to charities fundraising through mass participation events and we are supporting this growing initiative.

If you need support with fundraising ideas or for more information, please get in touch here or contact

“Participation is Everything”


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Tel: 020 3805 1790



Contact name: Karen Steadman



Elisa Sedanoui’s Foundation

Contact name: Dalia Ali


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Rethink Mental Illness

Contact number: 02078403040




Contact: Kayleigh Young – Valentine

Contact number: 01822 811 125


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Feed the Minds

Contact name: Matthew Wright


Contact tel: 02037525803

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Contact name: Laura Gutierrez


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Princess Alice Hospice

Contact email:

Tel: 01372461808



Child’s i Foundation

Contact email: 

Please note, all charity entrants will need to pay an additional mandatory charge of £4.95 at the point of registration for race pack postage.

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