Challenge events

21 September 2024

Tough Mudder South London 2024

We’ve heard this Tough Mudder described as the biggest and best, maybe that’s because you’re going to need a hefty team to get you through the surprises on course for 2024!

A choice of 5K or 15K events on 21st and 22nd September 2022.

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Places filled

Royal Parks Half Marathon 2024

This stunning central London half marathon, takes in the capital’s world-famous landmarks on closed roads, and four of London’s eight Royal Parks – Hyde Park, The Green Park, St James’s Park and Kensington Gardens.

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8 December 2024

Denbies Santa Run 2024

Santa Claus is coming to town – join our team of Eikon Santas for a festive 5k fun run around Denbies Estate

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Wait list only

London Landmarks Half Marathon 2025

This event isn’t your average half marathon. From cultural landmarks and heritage to the city’s quirky and hidden secrets, explore the capital on a route like no other!

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Places Filled

TCS London Marathon 2025

Take part in the world’s greatest marathon with #TeamEikon and help children feel safe, heard and supported.

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Event Cancelled

Ride London 2025

This 100 mile challenge is one of the UKs most famous challenge rides with a unique opportunity to cycle on traffic-free roads through London and Essex.

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Various dates available

Take the plunge for Eikon

Embrace your fears and dare to jump out of a plane and plunge to the earth – You will spend the day with a professional trainer preparing until you are ready to take the leap!

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