Challenge Events

Do something marvellous and take on a challenge for Roald Dahl's Marvellous Children's Charity. Run, trek, walk, skydive, swim, or come up with your own challenge!
Runners in charity top 2025

Royal Parks Half Marathon

Join #TeamMarvellous for this sold out race!

Charity runners will glide through four of London's most beautiful Royal Parks, Kensington Gardens, Hyde Park, St James's Park and Green Park. The 13.1m extraordinary route brushes past London's most famous landmarks whilst the roads are closed specifically for this event.

Silverstone Race Track
Run Fest Silverstone 2026

Sunday November 22 2026

Located at the Silverstone British Grand Prix circuit, choose from three different races at this iconic running event.

London Marathon cheer station
2027 Double TCS London Marathon

April 24 & 25 2027

Register your interest for the 2027 Double TCS London Marathon

London Landmarks
London Landmarks Half 2027

Sunday 4 April 2027

We have limited places for this iconic event through central London!

Berlin Half Marathon
SuperHalf Series

Throughout 2027

SuperHalfs is a series of six half marathons in Lisbon, Prague, Berlin, Copenhagen, Cardiff and Valencia.

Brighton Marathon (1)
Brighton Marathon

Sunday April 4 2027

The course offers you the best of Brighton – expect rolling terrain, sweeping sea views and amazing support.

Sanlam cape town marathon
Sanlam Cape Town Marathon 2027

Sunday May 23 2027

Join #TeamMarvellous at the Cape Town Marathon while helping to support seriously ill children and their families

Berlin Half Marathon
Berlin Half Marathon

4 April 2027

This unique event assembles historical buildings, trendy neighbourhoods, and places steeped in history.

Valencia Half Marathon
Valencia Marathon

2027 Date TBC

The Valencia Marathon 2026 offers a flat, fast course with sunny skies, vibrant culture, and unbeatable energy.

Lisbon Half Marathon
International Races

Throughout 2026

Run an international race in 2027.

Other Events

Kiltwalks
Kilt Walks

Throughout the UK

Take on an epic Kiltwalk Challenge in 2026

Snowdon
Yr Wyddfa/Snowdon 2026

Throughout the year

Climb the highest peak in Wales at 1085m/3560ft

Swim Serpentine
Swim Serpentine

Saturday 19 September 2026

Taking place in Serpentine lake in London's Hyde Park.

*The above events have not been organised by Roald Dahl's Marvellous Children's Charity and are therefore not controlled by us. Please read our Fundraising Terms and Conditions for more information.

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