800 pupils from 15 local schools took part in the Knight Frank Schools Triathlon at Mill Hill School

children run towards a finish line — A team running towards the finish line of the Mill Hill Schools Triathlon. Photo: Abby Cohen Photography.

Over 800 children came together at Mill Hill School on Sunday 9th June to take part in the Knight Frank Schools Triathlon, the UK’s largest fundraising event for children.

In teams of four, they swam, cycled and ran and have so far raised over £120,000 for Restless Development and numerous other charities chosen by the participating schools.

This year was the first year that Mill Hill School has hosted the event, with local businesses and over 2,000 attendees coming together. Generous volunteers and Mill Hill staff and pupils kindly gave up their Sunday to ensure the event ran smoothly.

Lots of inspiring stories came out on the day including top fundraisers Teymour, George, Vihaan and Alexander from Sussex House School who not only completed the triathlon as a team but also fundraised an incredible £5,939 for charity.

The triathlon is part of a national series organised by global youth charity, Restless Development. This year 10,000 pupils will be taking part and have so far raised over £1 million to support over 100 charities. Thanks to the event sponsors, Knight Frank, Bentley Motors and Neilson Beach Clubs the much needed funds raised will go directly to charity.

The Schools Triathlon was founded in 2015 by two Restless Development supporters: Jim Sewell and Tessa Murray. Restless Development is a global agency working with young people to change their lives and the lives of people in their communities. Restless Development is run out of hubs in nine countries across Africa, Asia and in the UK and USA.

Email the Schools Triathlon team to be involved in the 2025 event [email protected] with the subject line ‘Sponsorship’.

Those wishing to to volunteer should join their local School Triathlon Volunteer Committee or support us on the day of the event. For more information email [email protected] or [email protected].

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