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Challenge Events

Run, ride or swim with Whisper's Magical Children's Hospital πŸ†

As a high-impact charity, Whisper offers you and your supporters a cause worth supporting, where even small donations can be life-changing ✨

What we can offer you

I cannot tell you how inspiring this charity is. They do incredible work. I am raising money for Whisper but the support I am getting from them is fantastic. I have never had this before when raising money for charity. a previous runner in the London Marathon

We currently have, or expect to have, charity places for the events listed below. If the event πŸ†πŸŠπŸΌπŸͺ‚πŸƒπŸΌ you are interested in is not shown, feel free to contact us; for some events we can get charity places, for others it's best if you apply for your own non-charity place.

2027 Double TCS London Marathon

24 April 2027 and 25 April 2027


Credit: DanHuddleston CC-BY-SA-4.0

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2027 Big Half

6 September 2027


Credit: Paul W CC-BY-SA-4.0

A 13.1 mile (21.1 km) half marathon πŸƒ through the streets of London, from Tower Bridge to Greenwich, on part of the London Marathon course.

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2027 Etape Loch Ness

25 April 2027


Adapted from an original by Ramon Vloon on Unsplash

A 66 mile (106 km) closed-road cycling event 🚡 around Loch Ness, and one of the three legs of the London Classics medal πŸ₯‡.

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2027 Swim Serpentine

Saturday 18 September 2027 (date to be confirmed)

A fun open water swimming event πŸ¦† in London's Hyde Park, with various distances available.

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Tough Mudder

Various dates and locations


Credit: Freya Song on Unsplash

We don't currently offer charity places for these popular assault course events. If you join their mailing list towards the end of the year, they will often give very good discounts on places for the following year. You're welcome to fundraise for Whisper, if you like! πŸ’–