Ultra marathons are any run longer than a marathon (26.2 miles or 42.2 km) - the most common distances are 50K, 100K and 100 miles. Despite this, distance is not always the key challenge with ultra runs - the total ascent gives a much better indication of how hard it will be. Select a specific distance, your location for ultra runs in your area or scroll down to browse events.
Featured events are listed below - select a month/region or the map view to see all events.
Secure your charity place in the Easter 50 Ultra Challenge today. Walk, jog or run 50km for charity and support top UK charities. Find a cause and join their team today!
Secure your charity place in the Isle of Wight Ultra Challenge today. Walk, jog or run for charity and support top UK charities. Choose your distance, find a cause and join their team today!
Secure your charity place in the Jurassic Coast Ultra Challenge today. Walk, jog or run for charity and support top UK charities. Choose your distance, find a cause and join their team today!
Secure your charity place in the London 2 Brighton Ultra Challenge today. Walk, jog or run for charity and support top UK charities. Choose your distance, find a cause and join their team today!
Secure your charity place in the Lake District Ultra Challenge today. Walk, jog or run an ultra for charity and support top UK charities. Choose your distance, find a cause and join their team today!
Secure your charity place in the Cotswold Way Ultra Challenge today. Walk, jog or run an ultra for charity and support top UK charities. Choose your distance, find a cause and join their team today!
Conquer a challenge fit for royalty through the heart of Sussex in this epic ultramarathon along the South Downs Way and Monarch’s Way. Choose from two unique 50km loops – or tackle both in a 100km!
Secure your charity place in the Peak District Ultra Challenge today. Walk, jog or run an ultra for charity and support top UK charities. Choose your distance, find a cause and join their team today!
Conquer Britain's oldest trail, the ancient Ridgeway, at the UK's biggest ultramarathon as you race towards the 5000-year-old Avebury Standing Stones. Back for the 12th Year Running!
Secure your charity place in the North Downs 50 Ultra Challenge today. Walk, jog or run 50km for charity and support top UK charities. Find a cause and join their team today!
Secure your charity place in the Gower Peninsula Ultra Challenge today. Walk, jog or run for charity and support top UK charities. Choose your distance, find a cause and join their team today!
Secure your charity place in the South West Coast 50 Ultra Challenge today. Walk, jog or run 50km for charity and support top UK charities. Find a cause and join their team today!
Secure your charity place in the South Coast Ultra Challenge today. Walk, jog or run an ultra for charity and support top UK charities. Choose your distance, find a cause and join their team today!
Secure your charity place in the Thames Path Ultra Challenge today. Walk, jog or run an ultra for charity and support top UK charities. Choose your distance, find a cause and join their team today!
Secure your charity place in the South West Coast 50 Ultra Challenge today. Walk, jog or run 50km for charity and support top UK charities. Find a cause and join their team today!
Secure your charity place in the Kent Downs 50 Ultra Challenge today. Walk, jog or run 50km for charity and support top UK charities. Find a cause and join their team today!
Select your location for ultra marathons in your area.