Tough Mudder UK
Most technically difficult obstacle course of the series. Steep climbs, muddy trails, team challenges. 15,000 expected participants per event.
Search by location and event type to discover upcoming fundraising challenges.
See charity event dates at a glance and plan ahead.
Browse events by charity and discover new causes.
Get support with training, fundraising, and planning.
Scroll through upcoming listings and lock in your next challenge.
Most technically difficult obstacle course of the series. Steep climbs, muddy trails, team challenges. 15,000 expected participants per event.
Most technically difficult obstacle course of the series. Steep climbs, muddy trails, team challenges. 15,000 expected participants per event.
Stunning central London course through four Royal Parks - Hyde Park, The Green Park, St James's Park, and Kensington Gardens. Passes Buckingham Palace, Houses of Parliament, and Royal Albert Hall.
5th largest marathon in UK. 3-time winner of UK's Best Marathon. Only UK marathon spanning both England and Wales. Lively city centre start/finish.
Stunning central London course through four Royal Parks - Hyde Park, The Green Park, St James's Park, and Kensington Gardens. Passes Buckingham Palace, Houses of Parliament, and Royal Albert Hall.
5th largest marathon in UK. 3-time winner of UK's Best Marathon. Only UK marathon spanning both England and Wales. Lively city centre start/finish.
World's favourite 10 mile running event. Fast, flat route through Portsmouth taking in Historic Dockyard, Spinnaker Tower, and scenic seafront stretch.
Take on the classic Yorkshire Three Peaks circular route, summiting Pen-y-ghent, Whernside, and Ingleborough in the stunning Yorkshire Dales. A 24-mile route with 5,200ft of ascent, traditionally completed in under 12 hours.
Take on the classic Yorkshire Three Peaks circular route, summiting Pen-y-ghent, Whernside, and Ingleborough in the stunning Yorkshire Dales. A 24-mile route with 5,200ft of ascent, traditionally completed in under 12 hours.
World's favourite 10 mile running event. Fast, flat route through Portsmouth taking in Historic Dockyard, Spinnaker Tower, and scenic seafront stretch.
Choose a fundraising format that suits your supporters.
Race days from 5Ks to full marathons.
ExploreGuided walks and multi-day treks.
ExploreSportives, rides, and cycling challenges.
ExploreOpen water swims and triathlon events.
ExploreSkydives, obstacle courses, and extremes.
ExploreFundraise from anywhere with virtual challenges.
ExploreTeam-building fundraising experiences.
ExploreFamily-friendly runs and activities.
ExploreThree simple steps to start fundraising.
Search by location, date, or charity and pick your challenge.
Book your place, share your goal, and start collecting donations.
Track your progress and see the difference you make.
Real results from supporters across the UK.
“We raised over £4,000 in our first charity trek using the listings here.”
Lucy, Yorkshire“The event filters made it easy to find the perfect corporate challenge.”
Michael, London“Clear dates and booking links saved us hours of planning.”
Aisha, ManchesterSupport charities hosting events across the UK.